208758220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{948901}}^1$

素因数の和:948921

約数の個数: 24

約数和(自身を含む): 478246608

約数和(自身を除く): 269488388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 948901, 1897802, 3795604, 4744505, 9489010, 10437911, 18978020, 20875822, 41751644, 52189555, 104379110, 208758220]

約数ペア:

[(1, 208758220), (2, 104379110), (4, 52189555), (5, 41751644), (10, 20875822), (11, 18978020), (20, 10437911), (22, 9489010), (44, 4744505), (55, 3795604), (110, 1897802), (220, 948901)]