140778680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{502781}}^1$

素因数の和:502799

約数の個数: 32

約数和(自身を含む): 362003040

約数和(自身を除く): 221224360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 502781, 1005562, 2011124, 2513905, 3519467, 4022248, 5027810, 7038934, 10055620, 14077868, 17597335, 20111240, 28155736, 35194670, 70389340, 140778680]

約数ペア:

[(1, 140778680), (2, 70389340), (4, 35194670), (5, 28155736), (7, 20111240), (8, 17597335), (10, 14077868), (14, 10055620), (20, 7038934), (28, 5027810), (35, 4022248), (40, 3519467), (56, 2513905), (70, 2011124), (140, 1005562), (280, 502781)]