139762280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{499151}}^1$

素因数の和:499169

約数の個数: 32

約数和(自身を含む): 359389440

約数和(自身を除く): 219627160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 499151, 998302, 1996604, 2495755, 3494057, 3993208, 4991510, 6988114, 9983020, 13976228, 17470285, 19966040, 27952456, 34940570, 69881140, 139762280]

約数ペア:

[(1, 139762280), (2, 69881140), (4, 34940570), (5, 27952456), (7, 19966040), (8, 17470285), (10, 13976228), (14, 9983020), (20, 6988114), (28, 4991510), (35, 3993208), (40, 3494057), (56, 2495755), (70, 1996604), (140, 998302), (280, 499151)]