2109202340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{15065731}}^1$

素因数の和:15065747

約数の個数: 24

約数和(自身を含む): 5062085952

約数和(自身を除く): 2952883612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 15065731, 30131462, 60262924, 75328655, 105460117, 150657310, 210920234, 301314620, 421840468, 527300585, 1054601170, 2109202340]

約数ペア:

[(1, 2109202340), (2, 1054601170), (4, 527300585), (5, 421840468), (7, 301314620), (10, 210920234), (14, 150657310), (20, 105460117), (28, 75328655), (35, 60262924), (70, 30131462), (140, 15065731)]