138941900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47911}}^1$

素因数の和:47954

約数の個数: 36

約数和(自身を含む): 311907120

約数和(自身を除く): 172965220

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 47911, 95822, 191644, 239555, 479110, 958220, 1197775, 1389419, 2395550, 2778838, 4791100, 5557676, 6947095, 13894190, 27788380, 34735475, 69470950, 138941900]

約数ペア:

[(1, 138941900), (2, 69470950), (4, 34735475), (5, 27788380), (10, 13894190), (20, 6947095), (25, 5557676), (29, 4791100), (50, 2778838), (58, 2395550), (100, 1389419), (116, 1197775), (145, 958220), (290, 479110), (580, 239555), (725, 191644), (1450, 95822), (2900, 47911)]