2669140

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{421}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 5636232

約数和(自身を除く): 2967092

約数列:

[1, 2, 4, 5, 10, 20, 317, 421, 634, 842, 1268, 1585, 1684, 2105, 3170, 4210, 6340, 8420, 133457, 266914, 533828, 667285, 1334570, 2669140]

約数ペア:

[(1, 2669140), (2, 1334570), (4, 667285), (5, 533828), (10, 266914), (20, 133457), (317, 8420), (421, 6340), (634, 4210), (842, 3170), (1268, 2105), (1585, 1684)]