3885500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 8954400

約数和(自身を除く): 5068900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 409, 475, 500, 818, 950, 1636, 1900, 2045, 2375, 4090, 4750, 7771, 8180, 9500, 10225, 15542, 20450, 31084, 38855, 40900, 51125, 77710, 102250, 155420, 194275, 204500, 388550, 777100, 971375, 1942750, 3885500]

約数ペア:

[(1, 3885500), (2, 1942750), (4, 971375), (5, 777100), (10, 388550), (19, 204500), (20, 194275), (25, 155420), (38, 102250), (50, 77710), (76, 51125), (95, 40900), (100, 38855), (125, 31084), (190, 20450), (250, 15542), (380, 10225), (409, 9500), (475, 8180), (500, 7771), (818, 4750), (950, 4090), (1636, 2375), (1900, 2045)]