408819020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{888737}}^1$

素因数の和:888769

約数の個数: 24

約数和(自身を含む): 895847904

約数和(自身を除く): 487028884

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 888737, 1777474, 3554948, 4443685, 8887370, 17774740, 20440951, 40881902, 81763804, 102204755, 204409510, 408819020]

約数ペア:

[(1, 408819020), (2, 204409510), (4, 102204755), (5, 81763804), (10, 40881902), (20, 20440951), (23, 17774740), (46, 8887370), (92, 4443685), (115, 3554948), (230, 1777474), (460, 888737)]