28624974980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{204464107}}^1$

素因数の和:204464123

約数の個数: 24

約数和(自身を含む): 68699940288

約数和(自身を除く): 40074965308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 204464107, 408928214, 817856428, 1022320535, 1431248749, 2044641070, 2862497498, 4089282140, 5724994996, 7156243745, 14312487490, 28624974980]

約数ペア:

[(1, 28624974980), (2, 14312487490), (4, 7156243745), (5, 5724994996), (7, 4089282140), (10, 2862497498), (14, 2044641070), (20, 1431248749), (28, 1022320535), (35, 817856428), (70, 408928214), (140, 204464107)]