545260

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 1159200

約数和(自身を除く): 613940

約数列:

[1, 2, 4, 5, 10, 20, 137, 199, 274, 398, 548, 685, 796, 995, 1370, 1990, 2740, 3980, 27263, 54526, 109052, 136315, 272630, 545260]

約数ペア:

[(1, 545260), (2, 272630), (4, 136315), (5, 109052), (10, 54526), (20, 27263), (137, 3980), (199, 2740), (274, 1990), (398, 1370), (548, 995), (685, 796)]