319112260

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{41017}}^1$

素因数の和:41415

約数の個数: 24

約数和(自身を含む): 671874840

約数和(自身を除く): 352762580

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 41017, 82034, 164068, 205085, 410170, 820340, 15955613, 31911226, 63822452, 79778065, 159556130, 319112260]

約数ペア:

[(1, 319112260), (2, 159556130), (4, 79778065), (5, 63822452), (10, 31911226), (20, 15955613), (389, 820340), (778, 410170), (1556, 205085), (1945, 164068), (3890, 82034), (7780, 41017)]