2489240740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17780291}}^1$

素因数の和:17780307

約数の個数: 24

約数和(自身を含む): 5974178112

約数和(自身を除く): 3484937372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 17780291, 35560582, 71121164, 88901455, 124462037, 177802910, 248924074, 355605820, 497848148, 622310185, 1244620370, 2489240740]

約数ペア:

[(1, 2489240740), (2, 1244620370), (4, 622310185), (5, 497848148), (7, 355605820), (10, 248924074), (14, 177802910), (20, 124462037), (28, 88901455), (35, 71121164), (70, 35560582), (140, 17780291)]