199776740

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{96979}}^1$

素因数の和:97091

約数の個数: 24

約数和(自身を含む): 423608640

約数和(自身を除く): 223831900

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 96979, 193958, 387916, 484895, 969790, 1939580, 9988837, 19977674, 39955348, 49944185, 99888370, 199776740]

約数ペア:

[(1, 199776740), (2, 99888370), (4, 49944185), (5, 39955348), (10, 19977674), (20, 9988837), (103, 1939580), (206, 969790), (412, 484895), (515, 387916), (1030, 193958), (2060, 96979)]