156740780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1119577}}^1$

素因数の和:1119593

約数の個数: 24

約数和(自身を含む): 376178208

約数和(自身を除く): 219437428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1119577, 2239154, 4478308, 5597885, 7837039, 11195770, 15674078, 22391540, 31348156, 39185195, 78370390, 156740780]

約数ペア:

[(1, 156740780), (2, 78370390), (4, 39185195), (5, 31348156), (7, 22391540), (10, 15674078), (14, 11195770), (20, 7837039), (28, 5597885), (35, 4478308), (70, 2239154), (140, 1119577)]