100839620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{720283}}^1$

素因数の和:720299

約数の個数: 24

約数和(自身を含む): 242015424

約数和(自身を除く): 141175804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 720283, 1440566, 2881132, 3601415, 5041981, 7202830, 10083962, 14405660, 20167924, 25209905, 50419810, 100839620]

約数ペア:

[(1, 100839620), (2, 50419810), (4, 25209905), (5, 20167924), (7, 14405660), (10, 10083962), (14, 7202830), (20, 5041981), (28, 3601415), (35, 2881132), (70, 1440566), (140, 720283)]