129761240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{463433}}^1$

素因数の和:463451

約数の個数: 32

約数和(自身を含む): 333672480

約数和(自身を除く): 203911240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 463433, 926866, 1853732, 2317165, 3244031, 3707464, 4634330, 6488062, 9268660, 12976124, 16220155, 18537320, 25952248, 32440310, 64880620, 129761240]

約数ペア:

[(1, 129761240), (2, 64880620), (4, 32440310), (5, 25952248), (7, 18537320), (8, 16220155), (10, 12976124), (14, 9268660), (20, 6488062), (28, 4634330), (35, 3707464), (40, 3244031), (56, 2317165), (70, 1853732), (140, 926866), (280, 463433)]