2249540

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{821}}^1$

素因数の和:967

約数の個数: 24

約数和(自身を含む): 4764312

約数和(自身を除く): 2514772

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 821, 1370, 1642, 2740, 3284, 4105, 8210, 16420, 112477, 224954, 449908, 562385, 1124770, 2249540]

約数ペア:

[(1, 2249540), (2, 1124770), (4, 562385), (5, 449908), (10, 224954), (20, 112477), (137, 16420), (274, 8210), (548, 4105), (685, 3284), (821, 2740), (1370, 1642)]