2003390

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2251}}^1$

素因数の和:2347

約数の個数: 16

約数和(自身を含む): 3648240

約数和(自身を除く): 1644850

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 2251, 4502, 11255, 22510, 200339, 400678, 1001695, 2003390]

約数ペア:

[(1, 2003390), (2, 1001695), (5, 400678), (10, 200339), (89, 22510), (178, 11255), (445, 4502), (890, 2251)]