4519450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 9608760

約数和(自身を除く): 5089310

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 409, 425, 442, 650, 818, 850, 1105, 2045, 2210, 4090, 5317, 5525, 6953, 10225, 10634, 11050, 13906, 20450, 26585, 34765, 53170, 69530, 90389, 132925, 173825, 180778, 265850, 347650, 451945, 903890, 2259725, 4519450]

約数ペア:

[(1, 4519450), (2, 2259725), (5, 903890), (10, 451945), (13, 347650), (17, 265850), (25, 180778), (26, 173825), (34, 132925), (50, 90389), (65, 69530), (85, 53170), (130, 34765), (170, 26585), (221, 20450), (325, 13906), (409, 11050), (425, 10634), (442, 10225), (650, 6953), (818, 5525), (850, 5317), (1105, 4090), (2045, 2210)]