138912260

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{147779}}^1$

素因数の和:147835

約数の個数: 24

約数和(自身を含む): 297924480

約数和(自身を除く): 159012220

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 147779, 295558, 591116, 738895, 1477790, 2955580, 6945613, 13891226, 27782452, 34728065, 69456130, 138912260]

約数ペア:

[(1, 138912260), (2, 69456130), (4, 34728065), (5, 27782452), (10, 13891226), (20, 6945613), (47, 2955580), (94, 1477790), (188, 738895), (235, 591116), (470, 295558), (940, 147779)]