27641740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197441}}^1$

素因数の和:197457

約数の個数: 24

約数和(自身を含む): 66340512

約数和(自身を除く): 38698772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197441, 394882, 789764, 987205, 1382087, 1974410, 2764174, 3948820, 5528348, 6910435, 13820870, 27641740]

約数ペア:

[(1, 27641740), (2, 13820870), (4, 6910435), (5, 5528348), (7, 3948820), (10, 2764174), (14, 1974410), (20, 1382087), (28, 987205), (35, 789764), (70, 394882), (140, 197441)]