286874980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2049107}}^1$

素因数の和:2049123

約数の個数: 24

約数和(自身を含む): 688500288

約数和(自身を除く): 401625308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2049107, 4098214, 8196428, 10245535, 14343749, 20491070, 28687498, 40982140, 57374996, 71718745, 143437490, 286874980]

約数ペア:

[(1, 286874980), (2, 143437490), (4, 71718745), (5, 57374996), (7, 40982140), (10, 28687498), (14, 20491070), (20, 14343749), (28, 10245535), (35, 8196428), (70, 4098214), (140, 2049107)]