312522020

素因数分解:

$2^2\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{10859}}^1$

素因数の和:12307

約数の個数: 24

約数和(自身を含む): 656812800

約数和(自身を除く): 344290780

約数列:

[1, 2, 4, 5, 10, 20, 1439, 2878, 5756, 7195, 10859, 14390, 21718, 28780, 43436, 54295, 108590, 217180, 15626101, 31252202, 62504404, 78130505, 156261010, 312522020]

約数ペア:

[(1, 312522020), (2, 156261010), (4, 78130505), (5, 62504404), (10, 31252202), (20, 15626101), (1439, 217180), (2878, 108590), (5756, 54295), (7195, 43436), (10859, 28780), (14390, 21718)]