28453980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4889}}^1$

素因数の和:4998

約数の個数: 48

約数和(自身を含む): 80508960

約数和(自身を除く): 52054980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 4889, 5820, 9778, 14667, 19556, 24445, 29334, 48890, 58668, 73335, 97780, 146670, 293340, 474233, 948466, 1422699, 1896932, 2371165, 2845398, 4742330, 5690796, 7113495, 9484660, 14226990, 28453980]

約数ペア:

[(1, 28453980), (2, 14226990), (3, 9484660), (4, 7113495), (5, 5690796), (6, 4742330), (10, 2845398), (12, 2371165), (15, 1896932), (20, 1422699), (30, 948466), (60, 474233), (97, 293340), (194, 146670), (291, 97780), (388, 73335), (485, 58668), (582, 48890), (970, 29334), (1164, 24445), (1455, 19556), (1940, 14667), (2910, 9778), (4889, 5820)]