212895340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1520681}}^1$

素因数の和:1520697

約数の個数: 24

約数和(自身を含む): 510949152

約数和(自身を除く): 298053812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1520681, 3041362, 6082724, 7603405, 10644767, 15206810, 21289534, 30413620, 42579068, 53223835, 106447670, 212895340]

約数ペア:

[(1, 212895340), (2, 106447670), (4, 53223835), (5, 42579068), (7, 30413620), (10, 21289534), (14, 15206810), (20, 10644767), (28, 7603405), (35, 6082724), (70, 3041362), (140, 1520681)]