27851740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{198941}}^1$

素因数の和:198957

約数の個数: 24

約数和(自身を含む): 66844512

約数和(自身を除く): 38992772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 198941, 397882, 795764, 994705, 1392587, 1989410, 2785174, 3978820, 5570348, 6962935, 13925870, 27851740]

約数ペア:

[(1, 27851740), (2, 13925870), (4, 6962935), (5, 5570348), (7, 3978820), (10, 2785174), (14, 1989410), (20, 1392587), (28, 994705), (35, 795764), (70, 397882), (140, 198941)]