204664240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{21143}}^1$

素因数の和:21178

約数の個数: 60

約数和(自身を含む): 523060272

約数和(自身を除く): 318396032

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 9680, 21143, 42286, 84572, 105715, 169144, 211430, 232573, 338288, 422860, 465146, 845720, 930292, 1162865, 1691440, 1860584, 2325730, 2558303, 3721168, 4651460, 5116606, 9302920, 10233212, 12791515, 18605840, 20466424, 25583030, 40932848, 51166060, 102332120, 204664240]

約数ペア:

[(1, 204664240), (2, 102332120), (4, 51166060), (5, 40932848), (8, 25583030), (10, 20466424), (11, 18605840), (16, 12791515), (20, 10233212), (22, 9302920), (40, 5116606), (44, 4651460), (55, 3721168), (80, 2558303), (88, 2325730), (110, 1860584), (121, 1691440), (176, 1162865), (220, 930292), (242, 845720), (440, 465146), (484, 422860), (605, 338288), (880, 232573), (968, 211430), (1210, 169144), (1936, 105715), (2420, 84572), (4840, 42286), (9680, 21143)]