11487740

素因数分解:

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

素因数の和:179

約数の個数: 72

約数和(自身を含む): 27349056

約数和(自身を除く): 15861316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 101, 110, 121, 188, 202, 220, 235, 242, 404, 470, 484, 505, 517, 605, 940, 1010, 1034, 1111, 1210, 2020, 2068, 2222, 2420, 2585, 4444, 4747, 5170, 5555, 5687, 9494, 10340, 11110, 11374, 12221, 18988, 22220, 22748, 23735, 24442, 28435, 47470, 48884, 52217, 56870, 61105, 94940, 104434, 113740, 122210, 208868, 244420, 261085, 522170, 574387, 1044340, 1148774, 2297548, 2871935, 5743870, 11487740]

約数ペア:

[(1, 11487740), (2, 5743870), (4, 2871935), (5, 2297548), (10, 1148774), (11, 1044340), (20, 574387), (22, 522170), (44, 261085), (47, 244420), (55, 208868), (94, 122210), (101, 113740), (110, 104434), (121, 94940), (188, 61105), (202, 56870), (220, 52217), (235, 48884), (242, 47470), (404, 28435), (470, 24442), (484, 23735), (505, 22748), (517, 22220), (605, 18988), (940, 12221), (1010, 11374), (1034, 11110), (1111, 10340), (1210, 9494), (2020, 5687), (2068, 5555), (2222, 5170), (2420, 4747), (2585, 4444)]