204447340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{143977}}^1$

素因数の和:144057

約数の個数: 24

約数和(自身を含む): 435389472

約数和(自身を除く): 230942132

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 143977, 287954, 575908, 719885, 1439770, 2879540, 10222367, 20444734, 40889468, 51111835, 102223670, 204447340]

約数ペア:

[(1, 204447340), (2, 102223670), (4, 51111835), (5, 40889468), (10, 20444734), (20, 10222367), (71, 2879540), (142, 1439770), (284, 719885), (355, 575908), (710, 287954), (1420, 143977)]