138895340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{147761}}^1$

素因数の和:147817

約数の個数: 24

約数和(自身を含む): 297888192

約数和(自身を除く): 158992852

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 147761, 295522, 591044, 738805, 1477610, 2955220, 6944767, 13889534, 27779068, 34723835, 69447670, 138895340]

約数ペア:

[(1, 138895340), (2, 69447670), (4, 34723835), (5, 27779068), (10, 13889534), (20, 6944767), (47, 2955220), (94, 1477610), (188, 738805), (235, 591044), (470, 295522), (940, 147761)]