8277788900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{18229}}^1$

素因数の和:18501

約数の個数: 72

約数和(自身を含む): 18988368000

約数和(自身を除く): 10710579100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 239, 380, 475, 478, 950, 956, 1195, 1900, 2390, 4541, 4780, 5975, 9082, 11950, 18164, 18229, 22705, 23900, 36458, 45410, 72916, 90820, 91145, 113525, 182290, 227050, 346351, 364580, 454100, 455725, 692702, 911450, 1385404, 1731755, 1822900, 3463510, 4356731, 6927020, 8658775, 8713462, 17317550, 17426924, 21783655, 34635100, 43567310, 82777889, 87134620, 108918275, 165555778, 217836550, 331111556, 413889445, 435673100, 827778890, 1655557780, 2069447225, 4138894450, 8277788900]

約数ペア:

[(1, 8277788900), (2, 4138894450), (4, 2069447225), (5, 1655557780), (10, 827778890), (19, 435673100), (20, 413889445), (25, 331111556), (38, 217836550), (50, 165555778), (76, 108918275), (95, 87134620), (100, 82777889), (190, 43567310), (239, 34635100), (380, 21783655), (475, 17426924), (478, 17317550), (950, 8713462), (956, 8658775), (1195, 6927020), (1900, 4356731), (2390, 3463510), (4541, 1822900), (4780, 1731755), (5975, 1385404), (9082, 911450), (11950, 692702), (18164, 455725), (18229, 454100), (22705, 364580), (23900, 346351), (36458, 227050), (45410, 182290), (72916, 113525), (90820, 91145)]