1991740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1879}}^1$

素因数の和:1941

約数の個数: 24

約数和(自身を含む): 4263840

約数和(自身を除く): 2272100

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 1879, 3758, 7516, 9395, 18790, 37580, 99587, 199174, 398348, 497935, 995870, 1991740]

約数ペア:

[(1, 1991740), (2, 995870), (4, 497935), (5, 398348), (10, 199174), (20, 99587), (53, 37580), (106, 18790), (212, 9395), (265, 7516), (530, 3758), (1060, 1879)]