2139070

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{523}}^1$

素因数の和:939

約数の個数: 16

約数和(自身を含む): 3867120

約数和(自身を除く): 1728050

約数列:

[1, 2, 5, 10, 409, 523, 818, 1046, 2045, 2615, 4090, 5230, 213907, 427814, 1069535, 2139070]

約数ペア:

[(1, 2139070), (2, 1069535), (5, 427814), (10, 213907), (409, 5230), (523, 4090), (818, 2615), (1046, 2045)]