202105820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1443613}}^1$

素因数の和:1443629

約数の個数: 24

約数和(自身を含む): 485054304

約数和(自身を除く): 282948484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1443613, 2887226, 5774452, 7218065, 10105291, 14436130, 20210582, 28872260, 40421164, 50526455, 101052910, 202105820]

約数ペア:

[(1, 202105820), (2, 101052910), (4, 50526455), (5, 40421164), (7, 28872260), (10, 20210582), (14, 14436130), (20, 10105291), (28, 7218065), (35, 5774452), (70, 2887226), (140, 1443613)]