457640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{673}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 1091880

約数和(自身を除く): 634240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 673, 680, 1346, 2692, 3365, 5384, 6730, 11441, 13460, 22882, 26920, 45764, 57205, 91528, 114410, 228820, 457640]

約数ペア:

[(1, 457640), (2, 228820), (4, 114410), (5, 91528), (8, 57205), (10, 45764), (17, 26920), (20, 22882), (34, 13460), (40, 11441), (68, 6730), (85, 5384), (136, 3365), (170, 2692), (340, 1346), (673, 680)]