386394680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1379981}}^1$

素因数の和:1379999

約数の個数: 32

約数和(自身を含む): 993587040

約数和(自身を除く): 607192360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1379981, 2759962, 5519924, 6899905, 9659867, 11039848, 13799810, 19319734, 27599620, 38639468, 48299335, 55199240, 77278936, 96598670, 193197340, 386394680]

約数ペア:

[(1, 386394680), (2, 193197340), (4, 96598670), (5, 77278936), (7, 55199240), (8, 48299335), (10, 38639468), (14, 27599620), (20, 19319734), (28, 13799810), (35, 11039848), (40, 9659867), (56, 6899905), (70, 5519924), (140, 2759962), (280, 1379981)]