28309450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{449}}^1$

素因数の和:571

約数の個数: 48

約数和(自身を含む): 57418200

約数和(自身を除く): 29108750

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 97, 130, 194, 325, 449, 485, 650, 898, 970, 1261, 2245, 2425, 2522, 4490, 4850, 5837, 6305, 11225, 11674, 12610, 22450, 29185, 31525, 43553, 58370, 63050, 87106, 145925, 217765, 291850, 435530, 566189, 1088825, 1132378, 2177650, 2830945, 5661890, 14154725, 28309450]

約数ペア:

[(1, 28309450), (2, 14154725), (5, 5661890), (10, 2830945), (13, 2177650), (25, 1132378), (26, 1088825), (50, 566189), (65, 435530), (97, 291850), (130, 217765), (194, 145925), (325, 87106), (449, 63050), (485, 58370), (650, 43553), (898, 31525), (970, 29185), (1261, 22450), (2245, 12610), (2425, 11674), (2522, 11225), (4490, 6305), (4850, 5837)]