389617490

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{95261}}^1$

素因数の和:95677

約数の個数: 16

約数和(自身を含む): 703033560

約数和(自身を除く): 313416070

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 95261, 190522, 476305, 952610, 38961749, 77923498, 194808745, 389617490]

約数ペア:

[(1, 389617490), (2, 194808745), (5, 77923498), (10, 38961749), (409, 952610), (818, 476305), (2045, 190522), (4090, 95261)]