30188020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{10859}}^1$

素因数の和:11007

約数の個数: 24

約数和(自身を含む): 63856800

約数和(自身を除く): 33668780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 10859, 21718, 43436, 54295, 108590, 217180, 1509401, 3018802, 6037604, 7547005, 15094010, 30188020]

約数ペア:

[(1, 30188020), (2, 15094010), (4, 7547005), (5, 6037604), (10, 3018802), (20, 1509401), (139, 217180), (278, 108590), (556, 54295), (695, 43436), (1390, 21718), (2780, 10859)]