218224820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{991931}}^1$

素因数の和:991951

約数の個数: 24

約数和(自身を含む): 499933728

約数和(自身を除く): 281708908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 991931, 1983862, 3967724, 4959655, 9919310, 10911241, 19838620, 21822482, 43644964, 54556205, 109112410, 218224820]

約数ペア:

[(1, 218224820), (2, 109112410), (4, 54556205), (5, 43644964), (10, 21822482), (11, 19838620), (20, 10911241), (22, 9919310), (44, 4959655), (55, 3967724), (110, 1983862), (220, 991931)]