8449540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 19555200

約数和(自身を除く): 11105660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 193, 199, 220, 386, 398, 772, 796, 965, 995, 1930, 1990, 2123, 2189, 3860, 3980, 4246, 4378, 8492, 8756, 10615, 10945, 21230, 21890, 38407, 42460, 43780, 76814, 153628, 192035, 384070, 422477, 768140, 844954, 1689908, 2112385, 4224770, 8449540]

約数ペア:

[(1, 8449540), (2, 4224770), (4, 2112385), (5, 1689908), (10, 844954), (11, 768140), (20, 422477), (22, 384070), (44, 192035), (55, 153628), (110, 76814), (193, 43780), (199, 42460), (220, 38407), (386, 21890), (398, 21230), (772, 10945), (796, 10615), (965, 8756), (995, 8492), (1930, 4378), (1990, 4246), (2123, 3980), (2189, 3860)]