91901920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:185

約数の個数: 144

約数和(自身を含む): 246141504

約数和(自身を除く): 154239584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 80, 88, 94, 101, 110, 121, 160, 176, 188, 202, 220, 235, 242, 352, 376, 404, 440, 470, 484, 505, 517, 605, 752, 808, 880, 940, 968, 1010, 1034, 1111, 1210, 1504, 1616, 1760, 1880, 1936, 2020, 2068, 2222, 2420, 2585, 3232, 3760, 3872, 4040, 4136, 4444, 4747, 4840, 5170, 5555, 5687, 7520, 8080, 8272, 8888, 9494, 9680, 10340, 11110, 11374, 12221, 16160, 16544, 17776, 18988, 19360, 20680, 22220, 22748, 23735, 24442, 28435, 35552, 37976, 41360, 44440, 45496, 47470, 48884, 52217, 56870, 61105, 75952, 82720, 88880, 90992, 94940, 97768, 104434, 113740, 122210, 151904, 177760, 181984, 189880, 195536, 208868, 227480, 244420, 261085, 379760, 391072, 417736, 454960, 488840, 522170, 574387, 759520, 835472, 909920, 977680, 1044340, 1148774, 1670944, 1955360, 2088680, 2297548, 2871935, 4177360, 4595096, 5743870, 8354720, 9190192, 11487740, 18380384, 22975480, 45950960, 91901920]

約数ペア:

[(1, 91901920), (2, 45950960), (4, 22975480), (5, 18380384), (8, 11487740), (10, 9190192), (11, 8354720), (16, 5743870), (20, 4595096), (22, 4177360), (32, 2871935), (40, 2297548), (44, 2088680), (47, 1955360), (55, 1670944), (80, 1148774), (88, 1044340), (94, 977680), (101, 909920), (110, 835472), (121, 759520), (160, 574387), (176, 522170), (188, 488840), (202, 454960), (220, 417736), (235, 391072), (242, 379760), (352, 261085), (376, 244420), (404, 227480), (440, 208868), (470, 195536), (484, 189880), (505, 181984), (517, 177760), (605, 151904), (752, 122210), (808, 113740), (880, 104434), (940, 97768), (968, 94940), (1010, 90992), (1034, 88880), (1111, 82720), (1210, 75952), (1504, 61105), (1616, 56870), (1760, 52217), (1880, 48884), (1936, 47470), (2020, 45496), (2068, 44440), (2222, 41360), (2420, 37976), (2585, 35552), (3232, 28435), (3760, 24442), (3872, 23735), (4040, 22748), (4136, 22220), (4444, 20680), (4747, 19360), (4840, 18988), (5170, 17776), (5555, 16544), (5687, 16160), (7520, 12221), (8080, 11374), (8272, 11110), (8888, 10340), (9494, 9680)]