161990780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1157077}}^1$

素因数の和:1157093

約数の個数: 24

約数和(自身を含む): 388778208

約数和(自身を除く): 226787428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1157077, 2314154, 4628308, 5785385, 8099539, 11570770, 16199078, 23141540, 32398156, 40497695, 80995390, 161990780]

約数ペア:

[(1, 161990780), (2, 80995390), (4, 40497695), (5, 32398156), (7, 23141540), (10, 16199078), (14, 11570770), (20, 8099539), (28, 5785385), (35, 4628308), (70, 2314154), (140, 1157077)]