129490760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{462467}}^1$

素因数の和:462485

約数の個数: 32

約数和(自身を含む): 332976960

約数和(自身を除く): 203486200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 462467, 924934, 1849868, 2312335, 3237269, 3699736, 4624670, 6474538, 9249340, 12949076, 16186345, 18498680, 25898152, 32372690, 64745380, 129490760]

約数ペア:

[(1, 129490760), (2, 64745380), (4, 32372690), (5, 25898152), (7, 18498680), (8, 16186345), (10, 12949076), (14, 9249340), (20, 6474538), (28, 4624670), (35, 3699736), (40, 3237269), (56, 2312335), (70, 1849868), (140, 924934), (280, 462467)]