78966100

素因数分解:

$2^2\times 5^2\times {\mathrm{353}}^1\times {\mathrm{2237}}^1$

素因数の和:2604

約数の個数: 36

約数和(自身を含む): 171918684

約数和(自身を除く): 92952584

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 353, 706, 1412, 1765, 2237, 3530, 4474, 7060, 8825, 8948, 11185, 17650, 22370, 35300, 44740, 55925, 111850, 223700, 789661, 1579322, 3158644, 3948305, 7896610, 15793220, 19741525, 39483050, 78966100]

約数ペア:

[(1, 78966100), (2, 39483050), (4, 19741525), (5, 15793220), (10, 7896610), (20, 3948305), (25, 3158644), (50, 1579322), (100, 789661), (353, 223700), (706, 111850), (1412, 55925), (1765, 44740), (2237, 35300), (3530, 22370), (4474, 17650), (7060, 11185), (8825, 8948)]