638180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1877}}^1$

素因数の和:1903

約数の個数: 24

約数和(自身を含む): 1419768

約数和(自身を除く): 781588

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1877, 3754, 7508, 9385, 18770, 31909, 37540, 63818, 127636, 159545, 319090, 638180]

約数ペア:

[(1, 638180), (2, 319090), (4, 159545), (5, 127636), (10, 63818), (17, 37540), (20, 31909), (34, 18770), (68, 9385), (85, 7508), (170, 3754), (340, 1877)]