2222780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{15877}}^1$

素因数の和:15893

約数の個数: 24

約数和(自身を含む): 5335008

約数和(自身を除く): 3112228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 15877, 31754, 63508, 79385, 111139, 158770, 222278, 317540, 444556, 555695, 1111390, 2222780]

約数ペア:

[(1, 2222780), (2, 1111390), (4, 555695), (5, 444556), (7, 317540), (10, 222278), (14, 158770), (20, 111139), (28, 79385), (35, 63508), (70, 31754), (140, 15877)]