28286940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42859}}^1$

素因数の和:42882

約数の個数: 48

約数和(自身を含む): 86405760

約数和(自身を除く): 58118820

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 42859, 85718, 128577, 171436, 214295, 257154, 428590, 471449, 514308, 642885, 857180, 942898, 1285770, 1414347, 1885796, 2357245, 2571540, 2828694, 4714490, 5657388, 7071735, 9428980, 14143470, 28286940]

約数ペア:

[(1, 28286940), (2, 14143470), (3, 9428980), (4, 7071735), (5, 5657388), (6, 4714490), (10, 2828694), (11, 2571540), (12, 2357245), (15, 1885796), (20, 1414347), (22, 1285770), (30, 942898), (33, 857180), (44, 642885), (55, 514308), (60, 471449), (66, 428590), (110, 257154), (132, 214295), (165, 171436), (220, 128577), (330, 85718), (660, 42859)]