31097780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{222127}}^1$

素因数の和:222143

約数の個数: 24

約数和(自身を含む): 74635008

約数和(自身を除く): 43537228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 222127, 444254, 888508, 1110635, 1554889, 2221270, 3109778, 4442540, 6219556, 7774445, 15548890, 31097780]

約数ペア:

[(1, 31097780), (2, 15548890), (4, 7774445), (5, 6219556), (7, 4442540), (10, 3109778), (14, 2221270), (20, 1554889), (28, 1110635), (35, 888508), (70, 444254), (140, 222127)]