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A046656 Square roots of sums of squares of divisors in A046655. 4
1, 50, 290, 290, 850, 1690, 1690, 2210, 4930, 6710, 9802, 10660, 22100, 24650, 22100, 28730, 38918, 48100, 48100, 68900, 68900, 114070, 128180, 188500, 188500, 246500, 226798, 246500, 278980, 404260, 399620, 490100, 640900, 640900, 817700, 746980, 906100 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Donovan Johnson, Table of n, a(n) for n = 1..500

MATHEMATICA

Select[Sqrt[DivisorSigma[2, #]] & /@ Range[750000], IntegerQ] (* Jayanta Basu, Jun 27 2013 *)

CROSSREFS

Cf. A046655.

Sequence in context: A220864 A205355 A172519 * A205620 A183698 A183690

Adjacent sequences:  A046653 A046654 A046655 * A046657 A046658 A046659

KEYWORD

nonn

AUTHOR

Labos Elemer

STATUS

approved

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Last modified August 21 17:55 EDT 2017. Contains 290893 sequences.