201002890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1009}}^1\times {\mathrm{1811}}^1$

素因数の和:2838

約数の個数: 32

約数和(自身を含む): 395305920

約数和(自身を除く): 194303030

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1009, 1811, 2018, 3622, 5045, 9055, 10090, 11099, 18110, 19921, 22198, 39842, 55495, 99605, 110990, 199210, 1827299, 3654598, 9136495, 18272990, 20100289, 40200578, 100501445, 201002890]

約数ペア:

[(1, 201002890), (2, 100501445), (5, 40200578), (10, 20100289), (11, 18272990), (22, 9136495), (55, 3654598), (110, 1827299), (1009, 199210), (1811, 110990), (2018, 99605), (3622, 55495), (5045, 39842), (9055, 22198), (10090, 19921), (11099, 18110)]