127409480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 327836160

約数和(自身を除く): 200426680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 61, 88, 94, 101, 110, 122, 188, 202, 220, 235, 244, 305, 376, 404, 440, 470, 488, 505, 517, 610, 671, 808, 940, 1010, 1034, 1111, 1220, 1342, 1880, 2020, 2068, 2222, 2440, 2585, 2684, 2867, 3355, 4040, 4136, 4444, 4747, 5170, 5368, 5555, 5734, 6161, 6710, 8888, 9494, 10340, 11110, 11468, 12322, 13420, 14335, 18988, 20680, 22220, 22936, 23735, 24644, 26840, 28670, 30805, 31537, 37976, 44440, 47470, 49288, 52217, 57340, 61610, 63074, 67771, 94940, 104434, 114680, 123220, 126148, 135542, 157685, 189880, 208868, 246440, 252296, 261085, 271084, 289567, 315370, 338855, 417736, 522170, 542168, 579134, 630740, 677710, 1044340, 1158268, 1261480, 1355420, 1447835, 2088680, 2316536, 2710840, 2895670, 3185237, 5791340, 6370474, 11582680, 12740948, 15926185, 25481896, 31852370, 63704740, 127409480]

約数ペア:

[(1, 127409480), (2, 63704740), (4, 31852370), (5, 25481896), (8, 15926185), (10, 12740948), (11, 11582680), (20, 6370474), (22, 5791340), (40, 3185237), (44, 2895670), (47, 2710840), (55, 2316536), (61, 2088680), (88, 1447835), (94, 1355420), (101, 1261480), (110, 1158268), (122, 1044340), (188, 677710), (202, 630740), (220, 579134), (235, 542168), (244, 522170), (305, 417736), (376, 338855), (404, 315370), (440, 289567), (470, 271084), (488, 261085), (505, 252296), (517, 246440), (610, 208868), (671, 189880), (808, 157685), (940, 135542), (1010, 126148), (1034, 123220), (1111, 114680), (1220, 104434), (1342, 94940), (1880, 67771), (2020, 63074), (2068, 61610), (2222, 57340), (2440, 52217), (2585, 49288), (2684, 47470), (2867, 44440), (3355, 37976), (4040, 31537), (4136, 30805), (4444, 28670), (4747, 26840), (5170, 24644), (5368, 23735), (5555, 22936), (5734, 22220), (6161, 20680), (6710, 18988), (8888, 14335), (9494, 13420), (10340, 12322), (11110, 11468)]