1991922460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{66089}}^1$

素因数の和:66246

約数の個数: 48

約数和(自身を含む): 4596691680

約数和(自身を除く): 2604769220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 548, 685, 1370, 1507, 2740, 3014, 6028, 7535, 15070, 30140, 66089, 132178, 264356, 330445, 660890, 726979, 1321780, 1453958, 2907916, 3634895, 7269790, 9054193, 14539580, 18108386, 36216772, 45270965, 90541930, 99596123, 181083860, 199192246, 398384492, 497980615, 995961230, 1991922460]

約数ペア:

[(1, 1991922460), (2, 995961230), (4, 497980615), (5, 398384492), (10, 199192246), (11, 181083860), (20, 99596123), (22, 90541930), (44, 45270965), (55, 36216772), (110, 18108386), (137, 14539580), (220, 9054193), (274, 7269790), (548, 3634895), (685, 2907916), (1370, 1453958), (1507, 1321780), (2740, 726979), (3014, 660890), (6028, 330445), (7535, 264356), (15070, 132178), (30140, 66089)]