3780580

素因数分解:

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

素因数の和:879

約数の個数: 24

約数和(自身を含む): 7975800

約数和(自身を除く): 4195220

約数列:

[1, 2, 4, 5, 10, 20, 421, 449, 842, 898, 1684, 1796, 2105, 2245, 4210, 4490, 8420, 8980, 189029, 378058, 756116, 945145, 1890290, 3780580]

約数ペア:

[(1, 3780580), (2, 1890290), (4, 945145), (5, 756116), (10, 378058), (20, 189029), (421, 8980), (449, 8420), (842, 4490), (898, 4210), (1684, 2245), (1796, 2105)]