250662020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1790443}}^1$

素因数の和:1790459

約数の個数: 24

約数和(自身を含む): 601589184

約数和(自身を除く): 350927164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1790443, 3580886, 7161772, 8952215, 12533101, 17904430, 25066202, 35808860, 50132404, 62665505, 125331010, 250662020]

約数ペア:

[(1, 250662020), (2, 125331010), (4, 62665505), (5, 50132404), (7, 35808860), (10, 25066202), (14, 17904430), (20, 12533101), (28, 8952215), (35, 7161772), (70, 3580886), (140, 1790443)]