280941246

素因数分解:

$2^1\times 3^2\times {\mathrm{389}}^1\times {\mathrm{40123}}^1$

素因数の和:40520

約数の個数: 24

約数和(自身を含む): 610286040

約数和(自身を除く): 329344794

約数列:

[1, 2, 3, 6, 9, 18, 389, 778, 1167, 2334, 3501, 7002, 40123, 80246, 120369, 240738, 361107, 722214, 15607847, 31215694, 46823541, 93647082, 140470623, 280941246]

約数ペア:

[(1, 280941246), (2, 140470623), (3, 93647082), (6, 46823541), (9, 31215694), (18, 15607847), (389, 722214), (778, 361107), (1167, 240738), (2334, 120369), (3501, 80246), (7002, 40123)]