78551660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{1289}}^1$

素因数の和:1586

約数の個数: 48

約数和(自身を含む): 180744480

約数和(自身を除く): 102192820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 277, 554, 1108, 1289, 1385, 2578, 2770, 3047, 5156, 5540, 6094, 6445, 12188, 12890, 14179, 15235, 25780, 28358, 30470, 56716, 60940, 70895, 141790, 283580, 357053, 714106, 1428212, 1785265, 3570530, 3927583, 7141060, 7855166, 15710332, 19637915, 39275830, 78551660]

約数ペア:

[(1, 78551660), (2, 39275830), (4, 19637915), (5, 15710332), (10, 7855166), (11, 7141060), (20, 3927583), (22, 3570530), (44, 1785265), (55, 1428212), (110, 714106), (220, 357053), (277, 283580), (554, 141790), (1108, 70895), (1289, 60940), (1385, 56716), (2578, 30470), (2770, 28358), (3047, 25780), (5156, 15235), (5540, 14179), (6094, 12890), (6445, 12188)]