402477020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1829441}}^1$

素因数の和:1829461

約数の個数: 24

約数和(自身を含む): 922038768

約数和(自身を除く): 519561748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1829441, 3658882, 7317764, 9147205, 18294410, 20123851, 36588820, 40247702, 80495404, 100619255, 201238510, 402477020]

約数ペア:

[(1, 402477020), (2, 201238510), (4, 100619255), (5, 80495404), (10, 40247702), (11, 36588820), (20, 20123851), (22, 18294410), (44, 9147205), (55, 7317764), (110, 3658882), (220, 1829441)]