388432880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{2311}}^1$

素因数の和:2526

約数の個数: 80

約数和(自身を含む): 990793728

約数和(自身を除く): 602360848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 191, 220, 382, 440, 764, 880, 955, 1528, 1910, 2101, 2311, 3056, 3820, 4202, 4622, 7640, 8404, 9244, 10505, 11555, 15280, 16808, 18488, 21010, 23110, 25421, 33616, 36976, 42020, 46220, 50842, 84040, 92440, 101684, 127105, 168080, 184880, 203368, 254210, 406736, 441401, 508420, 882802, 1016840, 1765604, 2033680, 2207005, 3531208, 4414010, 4855411, 7062416, 8828020, 9710822, 17656040, 19421644, 24277055, 35312080, 38843288, 48554110, 77686576, 97108220, 194216440, 388432880]

約数ペア:

[(1, 388432880), (2, 194216440), (4, 97108220), (5, 77686576), (8, 48554110), (10, 38843288), (11, 35312080), (16, 24277055), (20, 19421644), (22, 17656040), (40, 9710822), (44, 8828020), (55, 7062416), (80, 4855411), (88, 4414010), (110, 3531208), (176, 2207005), (191, 2033680), (220, 1765604), (382, 1016840), (440, 882802), (764, 508420), (880, 441401), (955, 406736), (1528, 254210), (1910, 203368), (2101, 184880), (2311, 168080), (3056, 127105), (3820, 101684), (4202, 92440), (4622, 84040), (7640, 50842), (8404, 46220), (9244, 42020), (10505, 36976), (11555, 33616), (15280, 25421), (16808, 23110), (18488, 21010)]