2148442220

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{784103}}^1$

素因数の和:784249

約数の個数: 24

約数和(自身を含む): 4544666784

約数和(自身を除く): 2396224564

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 784103, 1568206, 3136412, 3920515, 7841030, 15682060, 107422111, 214844222, 429688444, 537110555, 1074221110, 2148442220]

約数ペア:

[(1, 2148442220), (2, 1074221110), (4, 537110555), (5, 429688444), (10, 214844222), (20, 107422111), (137, 15682060), (274, 7841030), (548, 3920515), (685, 3136412), (1370, 1568206), (2740, 784103)]