201988570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2885551}}^1$

素因数の和:2885565

約数の個数: 16

約数和(自身を含む): 415519488

約数和(自身を除く): 213530918

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2885551, 5771102, 14427755, 20198857, 28855510, 40397714, 100994285, 201988570]

約数ペア:

[(1, 201988570), (2, 100994285), (5, 40397714), (7, 28855510), (10, 20198857), (14, 14427755), (35, 5771102), (70, 2885551)]