149740780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1069577}}^1$

素因数の和:1069593

約数の個数: 24

約数和(自身を含む): 359378208

約数和(自身を除く): 209637428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1069577, 2139154, 4278308, 5347885, 7487039, 10695770, 14974078, 21391540, 29948156, 37435195, 74870390, 149740780]

約数ペア:

[(1, 149740780), (2, 74870390), (4, 37435195), (5, 29948156), (7, 21391540), (10, 14974078), (14, 10695770), (20, 7487039), (28, 5347885), (35, 4278308), (70, 2139154), (140, 1069577)]