304065620

素因数分解:

$2^2\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{13709}}^1$

素因数の和:14827

約数の個数: 24

約数和(自身を含む): 639160200

約数和(自身を除く): 335094580

約数列:

[1, 2, 4, 5, 10, 20, 1109, 2218, 4436, 5545, 11090, 13709, 22180, 27418, 54836, 68545, 137090, 274180, 15203281, 30406562, 60813124, 76016405, 152032810, 304065620]

約数ペア:

[(1, 304065620), (2, 152032810), (4, 76016405), (5, 60813124), (10, 30406562), (20, 15203281), (1109, 274180), (2218, 137090), (4436, 68545), (5545, 54836), (11090, 27418), (13709, 22180)]