15697027900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{24841}}^1$

素因数の和:25015

約数の個数: 72

約数和(自身を含む): 34931826720

約数和(自身を除く): 19234798820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 89, 100, 142, 178, 284, 355, 356, 445, 710, 890, 1420, 1775, 1780, 2225, 3550, 4450, 6319, 7100, 8900, 12638, 24841, 25276, 31595, 49682, 63190, 99364, 124205, 126380, 157975, 248410, 315950, 496820, 621025, 631900, 1242050, 1763711, 2210849, 2484100, 3527422, 4421698, 7054844, 8818555, 8843396, 11054245, 17637110, 22108490, 35274220, 44092775, 44216980, 55271225, 88185550, 110542450, 156970279, 176371100, 221084900, 313940558, 627881116, 784851395, 1569702790, 3139405580, 3924256975, 7848513950, 15697027900]

約数ペア:

[(1, 15697027900), (2, 7848513950), (4, 3924256975), (5, 3139405580), (10, 1569702790), (20, 784851395), (25, 627881116), (50, 313940558), (71, 221084900), (89, 176371100), (100, 156970279), (142, 110542450), (178, 88185550), (284, 55271225), (355, 44216980), (356, 44092775), (445, 35274220), (710, 22108490), (890, 17637110), (1420, 11054245), (1775, 8843396), (1780, 8818555), (2225, 7054844), (3550, 4421698), (4450, 3527422), (6319, 2484100), (7100, 2210849), (8900, 1763711), (12638, 1242050), (24841, 631900), (25276, 621025), (31595, 496820), (49682, 315950), (63190, 248410), (99364, 157975), (124205, 126380)]