202101989900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2797}}^1\times {\mathrm{10177}}^1$

素因数の和:13059

約数の個数: 72

約数和(自身を含む): 444940959456

約数和(自身を除く): 242838969556

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 2797, 3550, 5594, 7100, 10177, 11188, 13985, 20354, 27970, 40708, 50885, 55940, 69925, 101770, 139850, 198587, 203540, 254425, 279700, 397174, 508850, 722567, 794348, 992935, 1017700, 1445134, 1985870, 2890268, 3612835, 3971740, 4964675, 7225670, 9929350, 14451340, 18064175, 19858700, 28465069, 36128350, 56930138, 72256700, 113860276, 142325345, 284650690, 569301380, 711626725, 1423253450, 2021019899, 2846506900, 4042039798, 8084079596, 10105099495, 20210198990, 40420397980, 50525497475, 101050994950, 202101989900]

約数ペア:

[(1, 202101989900), (2, 101050994950), (4, 50525497475), (5, 40420397980), (10, 20210198990), (20, 10105099495), (25, 8084079596), (50, 4042039798), (71, 2846506900), (100, 2021019899), (142, 1423253450), (284, 711626725), (355, 569301380), (710, 284650690), (1420, 142325345), (1775, 113860276), (2797, 72256700), (3550, 56930138), (5594, 36128350), (7100, 28465069), (10177, 19858700), (11188, 18064175), (13985, 14451340), (20354, 9929350), (27970, 7225670), (40708, 4964675), (50885, 3971740), (55940, 3612835), (69925, 2890268), (101770, 1985870), (139850, 1445134), (198587, 1017700), (203540, 992935), (254425, 794348), (279700, 722567), (397174, 508850)]