218525960

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{39877}}^1$

素因数の和:40025

約数の個数: 32

約数和(自身を含む): 495284760

約数和(自身を除く): 276758800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 39877, 79754, 159508, 199385, 319016, 398770, 797540, 1595080, 5463149, 10926298, 21852596, 27315745, 43705192, 54631490, 109262980, 218525960]

約数ペア:

[(1, 218525960), (2, 109262980), (4, 54631490), (5, 43705192), (8, 27315745), (10, 21852596), (20, 10926298), (40, 5463149), (137, 1595080), (274, 797540), (548, 398770), (685, 319016), (1096, 199385), (1370, 159508), (2740, 79754), (5480, 39877)]