72149140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{515351}}^1$

素因数の和:515367

約数の個数: 24

約数和(自身を含む): 173158272

約数和(自身を除く): 101009132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 515351, 1030702, 2061404, 2576755, 3607457, 5153510, 7214914, 10307020, 14429828, 18037285, 36074570, 72149140]

約数ペア:

[(1, 72149140), (2, 36074570), (4, 18037285), (5, 14429828), (7, 10307020), (10, 7214914), (14, 5153510), (20, 3607457), (28, 2576755), (35, 2061404), (70, 1030702), (140, 515351)]