312650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:75

約数の個数: 36

約数和(自身を含む): 646722

約数和(自身を除く): 334072

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 65, 74, 130, 169, 185, 325, 338, 370, 481, 650, 845, 925, 962, 1690, 1850, 2405, 4225, 4810, 6253, 8450, 12025, 12506, 24050, 31265, 62530, 156325, 312650]

約数ペア:

[(1, 312650), (2, 156325), (5, 62530), (10, 31265), (13, 24050), (25, 12506), (26, 12025), (37, 8450), (50, 6253), (65, 4810), (74, 4225), (130, 2405), (169, 1850), (185, 1690), (325, 962), (338, 925), (370, 845), (481, 650)]