201680780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1440577}}^1$

素因数の和:1440593

約数の個数: 24

約数和(自身を含む): 484034208

約数和(自身を除く): 282353428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1440577, 2881154, 5762308, 7202885, 10084039, 14405770, 20168078, 28811540, 40336156, 50420195, 100840390, 201680780]

約数ペア:

[(1, 201680780), (2, 100840390), (4, 50420195), (5, 40336156), (7, 28811540), (10, 20168078), (14, 14405770), (20, 10084039), (28, 7202885), (35, 5762308), (70, 2881154), (140, 1440577)]