1890290

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{449}}^1$

素因数の和:877

約数の個数: 16

約数和(自身を含む): 3418200

約数和(自身を除く): 1527910

約数列:

[1, 2, 5, 10, 421, 449, 842, 898, 2105, 2245, 4210, 4490, 189029, 378058, 945145, 1890290]

約数ペア:

[(1, 1890290), (2, 945145), (5, 378058), (10, 189029), (421, 4490), (449, 4210), (842, 2245), (898, 2105)]