7138003940

素因数分解:

$2^2\times 5^1\times {\mathrm{356900197}}^1$

素因数の和:356900206

約数の個数: 12

約数和(自身を含む): 14989808316

約数和(自身を除く): 7851804376

約数列:

[1, 2, 4, 5, 10, 20, 356900197, 713800394, 1427600788, 1784500985, 3569001970, 7138003940]

約数ペア:

[(1, 7138003940), (2, 3569001970), (4, 1784500985), (5, 1427600788), (10, 713800394), (20, 356900197)]