31409140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{224351}}^1$

素因数の和:224367

約数の個数: 24

約数和(自身を含む): 75382272

約数和(自身を除く): 43973132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 224351, 448702, 897404, 1121755, 1570457, 2243510, 3140914, 4487020, 6281828, 7852285, 15704570, 31409140]

約数ペア:

[(1, 31409140), (2, 15704570), (4, 7852285), (5, 6281828), (7, 4487020), (10, 3140914), (14, 2243510), (20, 1570457), (28, 1121755), (35, 897404), (70, 448702), (140, 224351)]