3890090

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5479}}^1$

素因数の和:5557

約数の個数: 16

約数和(自身を含む): 7102080

約数和(自身を除く): 3211990

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 5479, 10958, 27395, 54790, 389009, 778018, 1945045, 3890090]

約数ペア:

[(1, 3890090), (2, 1945045), (5, 778018), (10, 389009), (71, 54790), (142, 27395), (355, 10958), (710, 5479)]