280325870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{82207}}^1$

素因数の和:82256

約数の個数: 32

約数和(自身を含む): 568221696

約数和(自身を除く): 287895826

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 82207, 164414, 411035, 822070, 904277, 1808554, 2548417, 4521385, 5096834, 9042770, 12742085, 25484170, 28032587, 56065174, 140162935, 280325870]

約数ペア:

[(1, 280325870), (2, 140162935), (5, 56065174), (10, 28032587), (11, 25484170), (22, 12742085), (31, 9042770), (55, 5096834), (62, 4521385), (110, 2548417), (155, 1808554), (310, 904277), (341, 822070), (682, 411035), (1705, 164414), (3410, 82207)]