153920620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1099433}}^1$

素因数の和:1099449

約数の個数: 24

約数和(自身を含む): 369409824

約数和(自身を除く): 215489204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1099433, 2198866, 4397732, 5497165, 7696031, 10994330, 15392062, 21988660, 30784124, 38480155, 76960310, 153920620]

約数ペア:

[(1, 153920620), (2, 76960310), (4, 38480155), (5, 30784124), (7, 21988660), (10, 15392062), (14, 10994330), (20, 7696031), (28, 5497165), (35, 4397732), (70, 2198866), (140, 1099433)]