447272420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3194803}}^1$

素因数の和:3194819

約数の個数: 24

約数和(自身を含む): 1073454144

約数和(自身を除く): 626181724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3194803, 6389606, 12779212, 15974015, 22363621, 31948030, 44727242, 63896060, 89454484, 111818105, 223636210, 447272420]

約数ペア:

[(1, 447272420), (2, 223636210), (4, 111818105), (5, 89454484), (7, 63896060), (10, 44727242), (14, 31948030), (20, 22363621), (28, 15974015), (35, 12779212), (70, 6389606), (140, 3194803)]