311918125

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{947}}^1$

素因数の和:1015

約数の個数: 40

約数和(自身を含む): 426463488

約数和(自身を除く): 114545363

約数列:

[1, 5, 17, 25, 31, 85, 125, 155, 425, 527, 625, 775, 947, 2125, 2635, 3875, 4735, 10625, 13175, 16099, 19375, 23675, 29357, 65875, 80495, 118375, 146785, 329375, 402475, 499069, 591875, 733925, 2012375, 2495345, 3669625, 10061875, 12476725, 18348125, 62383625, 311918125]

約数ペア:

[(1, 311918125), (5, 62383625), (17, 18348125), (25, 12476725), (31, 10061875), (85, 3669625), (125, 2495345), (155, 2012375), (425, 733925), (527, 591875), (625, 499069), (775, 402475), (947, 329375), (2125, 146785), (2635, 118375), (3875, 80495), (4735, 65875), (10625, 29357), (13175, 23675), (16099, 19375)]