1990130

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2803}}^1$

素因数の和:2881

約数の個数: 16

約数和(自身を含む): 3633984

約数和(自身を除く): 1643854

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 2803, 5606, 14015, 28030, 199013, 398026, 995065, 1990130]

約数ペア:

[(1, 1990130), (2, 995065), (5, 398026), (10, 199013), (71, 28030), (142, 14015), (355, 5606), (710, 2803)]