2989340

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1091}}^1$

素因数の和:1237

約数の個数: 24

約数和(自身を含む): 6329232

約数和(自身を除く): 3339892

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1091, 1370, 2182, 2740, 4364, 5455, 10910, 21820, 149467, 298934, 597868, 747335, 1494670, 2989340]

約数ペア:

[(1, 2989340), (2, 1494670), (4, 747335), (5, 597868), (10, 298934), (20, 149467), (137, 21820), (274, 10910), (548, 5455), (685, 4364), (1091, 2740), (1370, 2182)]