409664420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1862111}}^1$

素因数の和:1862131

約数の個数: 24

約数和(自身を含む): 938504448

約数和(自身を除く): 528840028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1862111, 3724222, 7448444, 9310555, 18621110, 20483221, 37242220, 40966442, 81932884, 102416105, 204832210, 409664420]

約数ペア:

[(1, 409664420), (2, 204832210), (4, 102416105), (5, 81932884), (10, 40966442), (11, 37242220), (20, 20483221), (22, 18621110), (44, 9310555), (55, 7448444), (110, 3724222), (220, 1862111)]