208442980

素因数分解:

$2^2\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{4877}}^1$

素因数の和:7023

約数の個数: 24

約数和(自身を含む): 438024888

約数和(自身を除く): 229581908

約数列:

[1, 2, 4, 5, 10, 20, 2137, 4274, 4877, 8548, 9754, 10685, 19508, 21370, 24385, 42740, 48770, 97540, 10422149, 20844298, 41688596, 52110745, 104221490, 208442980]

約数ペア:

[(1, 208442980), (2, 104221490), (4, 52110745), (5, 41688596), (10, 20844298), (20, 10422149), (2137, 97540), (4274, 48770), (4877, 42740), (8548, 24385), (9754, 21370), (10685, 19508)]