56265380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 120960000

約数和(自身を除く): 64694620

約数列:

[1, 2, 4, 5, 10, 20, 79, 149, 158, 239, 298, 316, 395, 478, 596, 745, 790, 956, 1195, 1490, 1580, 2390, 2980, 4780, 11771, 18881, 23542, 35611, 37762, 47084, 58855, 71222, 75524, 94405, 117710, 142444, 178055, 188810, 235420, 356110, 377620, 712220, 2813269, 5626538, 11253076, 14066345, 28132690, 56265380]

約数ペア:

[(1, 56265380), (2, 28132690), (4, 14066345), (5, 11253076), (10, 5626538), (20, 2813269), (79, 712220), (149, 377620), (158, 356110), (239, 235420), (298, 188810), (316, 178055), (395, 142444), (478, 117710), (596, 94405), (745, 75524), (790, 71222), (956, 58855), (1195, 47084), (1490, 37762), (1580, 35611), (2390, 23542), (2980, 18881), (4780, 11771)]