311930450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28229}}^1$

素因数の和:28271

約数の個数: 48

約数和(自身を含む): 661598280

約数和(自身を除く): 349667830

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 2210, 5525, 11050, 28229, 56458, 141145, 282290, 366977, 479893, 705725, 733954, 959786, 1411450, 1834885, 2399465, 3669770, 4798930, 6238609, 9174425, 11997325, 12477218, 18348850, 23994650, 31193045, 62386090, 155965225, 311930450]

約数ペア:

[(1, 311930450), (2, 155965225), (5, 62386090), (10, 31193045), (13, 23994650), (17, 18348850), (25, 12477218), (26, 11997325), (34, 9174425), (50, 6238609), (65, 4798930), (85, 3669770), (130, 2399465), (170, 1834885), (221, 1411450), (325, 959786), (425, 733954), (442, 705725), (650, 479893), (850, 366977), (1105, 282290), (2210, 141145), (5525, 56458), (11050, 28229)]