3129980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 7633920

約数和(自身を除く): 4503940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 283, 316, 395, 553, 566, 790, 1106, 1132, 1415, 1580, 1981, 2212, 2765, 2830, 3962, 5530, 5660, 7924, 9905, 11060, 19810, 22357, 39620, 44714, 89428, 111785, 156499, 223570, 312998, 447140, 625996, 782495, 1564990, 3129980]

約数ペア:

[(1, 3129980), (2, 1564990), (4, 782495), (5, 625996), (7, 447140), (10, 312998), (14, 223570), (20, 156499), (28, 111785), (35, 89428), (70, 44714), (79, 39620), (140, 22357), (158, 19810), (283, 11060), (316, 9905), (395, 7924), (553, 5660), (566, 5530), (790, 3962), (1106, 2830), (1132, 2765), (1415, 2212), (1580, 1981)]