28121558590

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1\times {\mathrm{2017}}^1$

素因数の和:2437

約数の個数: 64

約数和(自身を含む): 52254253440

約数和(自身を除く): 24132694850

約数列:

[1, 2, 5, 10, 71, 73, 142, 146, 269, 355, 365, 538, 710, 730, 1345, 2017, 2690, 4034, 5183, 10085, 10366, 19099, 19637, 20170, 25915, 38198, 39274, 51830, 95495, 98185, 143207, 147241, 190990, 196370, 286414, 294482, 542573, 716035, 736205, 1085146, 1394227, 1432070, 1472410, 2712865, 2788454, 5425730, 6971135, 10454111, 13942270, 20908222, 38522683, 39607829, 52270555, 77045366, 79215658, 104541110, 192613415, 198039145, 385226830, 396078290, 2812155859, 5624311718, 14060779295, 28121558590]

約数ペア:

[(1, 28121558590), (2, 14060779295), (5, 5624311718), (10, 2812155859), (71, 396078290), (73, 385226830), (142, 198039145), (146, 192613415), (269, 104541110), (355, 79215658), (365, 77045366), (538, 52270555), (710, 39607829), (730, 38522683), (1345, 20908222), (2017, 13942270), (2690, 10454111), (4034, 6971135), (5183, 5425730), (10085, 2788454), (10366, 2712865), (19099, 1472410), (19637, 1432070), (20170, 1394227), (25915, 1085146), (38198, 736205), (39274, 716035), (51830, 542573), (95495, 294482), (98185, 286414), (143207, 196370), (147241, 190990)]