677019620

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{42473}}^1$

素因数の和:43279

約数の個数: 24

約数和(自身を含む): 1423558584

約数和(自身を除く): 746538964

約数列:

[1, 2, 4, 5, 10, 20, 797, 1594, 3188, 3985, 7970, 15940, 42473, 84946, 169892, 212365, 424730, 849460, 33850981, 67701962, 135403924, 169254905, 338509810, 677019620]

約数ペア:

[(1, 677019620), (2, 338509810), (4, 169254905), (5, 135403924), (10, 67701962), (20, 33850981), (797, 849460), (1594, 424730), (3188, 212365), (3985, 169892), (7970, 84946), (15940, 42473)]