133318449980

素因数分解:

$2^2\times 5^1\times {\mathrm{13721}}^1\times {\mathrm{485819}}^1$

素因数の和:499549

約数の個数: 24

約数和(自身を含む): 279989725680

約数和(自身を除く): 146671275700

約数列:

[1, 2, 4, 5, 10, 20, 13721, 27442, 54884, 68605, 137210, 274420, 485819, 971638, 1943276, 2429095, 4858190, 9716380, 6665922499, 13331844998, 26663689996, 33329612495, 66659224990, 133318449980]

約数ペア:

[(1, 133318449980), (2, 66659224990), (4, 33329612495), (5, 26663689996), (10, 13331844998), (20, 6665922499), (13721, 9716380), (27442, 4858190), (54884, 2429095), (68605, 1943276), (137210, 971638), (274420, 485819)]