71456140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{510401}}^1$

素因数の和:510417

約数の個数: 24

約数和(自身を含む): 171495072

約数和(自身を除く): 100038932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 510401, 1020802, 2041604, 2552005, 3572807, 5104010, 7145614, 10208020, 14291228, 17864035, 35728070, 71456140]

約数ペア:

[(1, 71456140), (2, 35728070), (4, 17864035), (5, 14291228), (7, 10208020), (10, 7145614), (14, 5104010), (20, 3572807), (28, 2552005), (35, 2041604), (70, 1020802), (140, 510401)]