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A046346 Composite numbers that are divisible by the sum of their prime factors (counted with multiplicity). 10
4, 16, 27, 30, 60, 70, 72, 84, 105, 150, 180, 220, 231, 240, 256, 286, 288, 308, 378, 440, 450, 476, 528, 540, 560, 576, 588, 594, 624, 627, 646, 648, 650, 728, 800, 805, 840, 884, 897, 900, 945, 960, 1008, 1040, 1056, 1080, 1100, 1122, 1134, 1160, 1170 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

T. D. Noe, Table of n, a(n) for n=1..1000

EXAMPLE

a(38)=884 ->= 2 * 2 * 13 * 17 -> 2 + 2 + 13 + 17 = 34 so 884 / 34 = 26.

CROSSREFS

Cf. A036844, A046347, A046348, A001414.

Sequence in context: A105078 A050707 * A134330 A097764 A072873 A072653

Adjacent sequences:  A046343 A046344 A046345 * A046347 A046348 A046349

KEYWORD

nonn

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Jun 15 1998.

EXTENSIONS

Description corrected by Robert A. Stump (bee_ess107(AT)yahoo.com), Jan 09 2002

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Last modified February 15 23:53 EST 2012. Contains 205860 sequences.