A050214 Product((d+n/d): d divides n and d^2<=n); a(1)=1.

1, 3, 4, 20, 6, 35, 8, 54, 60, 77, 12, 728, 14, 135, 128, 1360, 18, 1881, 20, 2268, 220, 299, 24, 3, 8500, 260, 405, 336, 5104, 30, 75361, 32, 7128, 476, 665, 432, 1731600, 38, 819, 640, 164164, 42, 21856, 9, 44, 16200, 11592, 1175, 48, 5422144, 700, 20655