201688660

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{73609}}^1$

素因数の和:73755

約数の個数: 24

約数和(自身を含む): 426643560

約数和(自身を除く): 224954900

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 73609, 147218, 294436, 368045, 736090, 1472180, 10084433, 20168866, 40337732, 50422165, 100844330, 201688660]

約数ペア:

[(1, 201688660), (2, 100844330), (4, 50422165), (5, 40337732), (10, 20168866), (20, 10084433), (137, 1472180), (274, 736090), (548, 368045), (685, 294436), (1370, 147218), (2740, 73609)]