90467020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{646193}}^1$

素因数の和:646209

約数の個数: 24

約数和(自身を含む): 217121184

約数和(自身を除く): 126654164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 646193, 1292386, 2584772, 3230965, 4523351, 6461930, 9046702, 12923860, 18093404, 22616755, 45233510, 90467020]

約数ペア:

[(1, 90467020), (2, 45233510), (4, 22616755), (5, 18093404), (7, 12923860), (10, 9046702), (14, 6461930), (20, 4523351), (28, 3230965), (35, 2584772), (70, 1292386), (140, 646193)]