31284790

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{199}}^2$

素因数の和:484

約数の個数: 24

約数和(自身を含む): 57313440

約数和(自身を除く): 26028650

約数列:

[1, 2, 5, 10, 79, 158, 199, 395, 398, 790, 995, 1990, 15721, 31442, 39601, 78605, 79202, 157210, 198005, 396010, 3128479, 6256958, 15642395, 31284790]

約数ペア:

[(1, 31284790), (2, 15642395), (5, 6256958), (10, 3128479), (79, 396010), (158, 198005), (199, 157210), (395, 79202), (398, 78605), (790, 39601), (995, 31442), (1990, 15721)]