243399020

素因数分解:

$2^2\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{10837}}^1$

素因数の和:11969

約数の個数: 24

約数和(自身を含む): 511640304

約数和(自身を除く): 268241284

約数列:

[1, 2, 4, 5, 10, 20, 1123, 2246, 4492, 5615, 10837, 11230, 21674, 22460, 43348, 54185, 108370, 216740, 12169951, 24339902, 48679804, 60849755, 121699510, 243399020]

約数ペア:

[(1, 243399020), (2, 121699510), (4, 60849755), (5, 48679804), (10, 24339902), (20, 12169951), (1123, 216740), (2246, 108370), (4492, 54185), (5615, 43348), (10837, 22460), (11230, 21674)]