90310780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{645077}}^1$

素因数の和:645093

約数の個数: 24

約数和(自身を含む): 216746208

約数和(自身を除く): 126435428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 645077, 1290154, 2580308, 3225385, 4515539, 6450770, 9031078, 12901540, 18062156, 22577695, 45155390, 90310780]

約数ペア:

[(1, 90310780), (2, 45155390), (4, 22577695), (5, 18062156), (7, 12901540), (10, 9031078), (14, 6450770), (20, 4515539), (28, 3225385), (35, 2580308), (70, 1290154), (140, 645077)]