788458220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{13627}}^1$

素因数の和:13910

約数の個数: 48

約数和(自身を含む): 1813287168

約数和(自身を除く): 1024828948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 263, 526, 1052, 1315, 2630, 2893, 5260, 5786, 11572, 13627, 14465, 27254, 28930, 54508, 57860, 68135, 136270, 149897, 272540, 299794, 599588, 749485, 1498970, 2997940, 3583901, 7167802, 14335604, 17919505, 35839010, 39422911, 71678020, 78845822, 157691644, 197114555, 394229110, 788458220]

約数ペア:

[(1, 788458220), (2, 394229110), (4, 197114555), (5, 157691644), (10, 78845822), (11, 71678020), (20, 39422911), (22, 35839010), (44, 17919505), (55, 14335604), (110, 7167802), (220, 3583901), (263, 2997940), (526, 1498970), (1052, 749485), (1315, 599588), (2630, 299794), (2893, 272540), (5260, 149897), (5786, 136270), (11572, 68135), (13627, 57860), (14465, 54508), (27254, 28930)]