156918860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1120849}}^1$

素因数の和:1120865

約数の個数: 24

約数和(自身を含む): 376605600

約数和(自身を除く): 219686740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1120849, 2241698, 4483396, 5604245, 7845943, 11208490, 15691886, 22416980, 31383772, 39229715, 78459430, 156918860]

約数ペア:

[(1, 156918860), (2, 78459430), (4, 39229715), (5, 31383772), (7, 22416980), (10, 15691886), (14, 11208490), (20, 7845943), (28, 5604245), (35, 4483396), (70, 2241698), (140, 1120849)]