2402980

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{877}}^1$

素因数の和:1023

約数の個数: 24

約数和(自身を含む): 5088888

約数和(自身を除く): 2685908

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 877, 1370, 1754, 2740, 3508, 4385, 8770, 17540, 120149, 240298, 480596, 600745, 1201490, 2402980]

約数ペア:

[(1, 2402980), (2, 1201490), (4, 600745), (5, 480596), (10, 240298), (20, 120149), (137, 17540), (274, 8770), (548, 4385), (685, 3508), (877, 2740), (1370, 1754)]