239305880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{543877}}^1$

素因数の和:543899

約数の個数: 32

約数和(自身を含む): 587388240

約数和(自身を除く): 348082360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 543877, 1087754, 2175508, 2719385, 4351016, 5438770, 5982647, 10877540, 11965294, 21755080, 23930588, 29913235, 47861176, 59826470, 119652940, 239305880]

約数ペア:

[(1, 239305880), (2, 119652940), (4, 59826470), (5, 47861176), (8, 29913235), (10, 23930588), (11, 21755080), (20, 11965294), (22, 10877540), (40, 5982647), (44, 5438770), (55, 4351016), (88, 2719385), (110, 2175508), (220, 1087754), (440, 543877)]