278360930

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{5939}}^1$

素因数の和:6098

約数の個数: 32

約数和(自身を含む): 517492800

約数和(自身を除く): 239131870

約数列:

[1, 2, 5, 10, 43, 86, 109, 215, 218, 430, 545, 1090, 4687, 5939, 9374, 11878, 23435, 29695, 46870, 59390, 255377, 510754, 647351, 1276885, 1294702, 2553770, 3236755, 6473510, 27836093, 55672186, 139180465, 278360930]

約数ペア:

[(1, 278360930), (2, 139180465), (5, 55672186), (10, 27836093), (43, 6473510), (86, 3236755), (109, 2553770), (215, 1294702), (218, 1276885), (430, 647351), (545, 510754), (1090, 255377), (4687, 59390), (5939, 46870), (9374, 29695), (11878, 23435)]