280408548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{145139}}^1$

素因数の和:145176

約数の個数: 48

約数和(自身を含む): 780272640

約数和(自身を除く): 499864092

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1932, 145139, 290278, 435417, 580556, 870834, 1015973, 1741668, 2031946, 3047919, 3338197, 4063892, 6095838, 6676394, 10014591, 12191676, 13352788, 20029182, 23367379, 40058364, 46734758, 70102137, 93469516, 140204274, 280408548]

約数ペア:

[(1, 280408548), (2, 140204274), (3, 93469516), (4, 70102137), (6, 46734758), (7, 40058364), (12, 23367379), (14, 20029182), (21, 13352788), (23, 12191676), (28, 10014591), (42, 6676394), (46, 6095838), (69, 4063892), (84, 3338197), (92, 3047919), (138, 2031946), (161, 1741668), (276, 1015973), (322, 870834), (483, 580556), (644, 435417), (966, 290278), (1932, 145139)]