2119090

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2381}}^1$

素因数の和:2477

約数の個数: 16

約数和(自身を含む): 3858840

約数和(自身を除く): 1739750

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 2381, 4762, 11905, 23810, 211909, 423818, 1059545, 2119090]

約数ペア:

[(1, 2119090), (2, 1059545), (5, 423818), (10, 211909), (89, 23810), (178, 11905), (445, 4762), (890, 2381)]