374978020

素因数分解:

$2^2\times 5^1\times {\mathrm{18748901}}^1$

素因数の和:18748910

約数の個数: 12

約数和(自身を含む): 787453884

約数和(自身を除く): 412475864

約数列:

[1, 2, 4, 5, 10, 20, 18748901, 37497802, 74995604, 93744505, 187489010, 374978020]

約数ペア:

[(1, 374978020), (2, 187489010), (4, 93744505), (5, 74995604), (10, 37497802), (20, 18748901)]