124640740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{890291}}^1$

素因数の和:890307

約数の個数: 24

約数和(自身を含む): 299138112

約数和(自身を除く): 174497372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 890291, 1780582, 3561164, 4451455, 6232037, 8902910, 12464074, 17805820, 24928148, 31160185, 62320370, 124640740]

約数ペア:

[(1, 124640740), (2, 62320370), (4, 31160185), (5, 24928148), (7, 17805820), (10, 12464074), (14, 8902910), (20, 6232037), (28, 4451455), (35, 3561164), (70, 1780582), (140, 890291)]