359144420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{2687}}^1$

素因数の和:2900

約数の個数: 48

約数和(自身を含む): 777627648

約数和(自身を除く): 418483228

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 163, 164, 205, 326, 410, 652, 815, 820, 1630, 2687, 3260, 5374, 6683, 10748, 13366, 13435, 26732, 26870, 33415, 53740, 66830, 110167, 133660, 220334, 437981, 440668, 550835, 875962, 1101670, 1751924, 2189905, 2203340, 4379810, 8759620, 17957221, 35914442, 71828884, 89786105, 179572210, 359144420]

約数ペア:

[(1, 359144420), (2, 179572210), (4, 89786105), (5, 71828884), (10, 35914442), (20, 17957221), (41, 8759620), (82, 4379810), (163, 2203340), (164, 2189905), (205, 1751924), (326, 1101670), (410, 875962), (652, 550835), (815, 440668), (820, 437981), (1630, 220334), (2687, 133660), (3260, 110167), (5374, 66830), (6683, 53740), (10748, 33415), (13366, 26870), (13435, 26732)]