289953260

素因数分解:

$2^2\times 5^1\times {\mathrm{3187}}^1\times {\mathrm{4549}}^1$

素因数の和:7745

約数の個数: 24

約数和(自身を含む): 609226800

約数和(自身を除く): 319273540

約数列:

[1, 2, 4, 5, 10, 20, 3187, 4549, 6374, 9098, 12748, 15935, 18196, 22745, 31870, 45490, 63740, 90980, 14497663, 28995326, 57990652, 72488315, 144976630, 289953260]

約数ペア:

[(1, 289953260), (2, 144976630), (4, 72488315), (5, 57990652), (10, 28995326), (20, 14497663), (3187, 90980), (4549, 63740), (6374, 45490), (9098, 31870), (12748, 22745), (15935, 18196)]