990025362

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1831}}^1$

素因数の和:1909

約数の個数: 128

約数和(自身を含む): 2532556800

約数和(自身を除く): 1542531438

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 27, 31, 34, 38, 51, 54, 57, 62, 93, 102, 114, 153, 171, 186, 279, 306, 323, 342, 459, 513, 527, 558, 589, 646, 837, 918, 969, 1026, 1054, 1178, 1581, 1674, 1767, 1831, 1938, 2907, 3162, 3534, 3662, 4743, 5301, 5493, 5814, 8721, 9486, 10013, 10602, 10986, 14229, 15903, 16479, 17442, 20026, 28458, 30039, 31127, 31806, 32958, 34789, 49437, 56761, 60078, 62254, 69578, 90117, 93381, 98874, 104367, 113522, 170283, 180234, 186762, 208734, 270351, 280143, 313101, 340566, 510849, 540702, 560286, 591413, 626202, 840429, 939303, 964937, 1021698, 1078459, 1182826, 1532547, 1680858, 1774239, 1878606, 1929874, 2156918, 2894811, 3065094, 3235377, 3548478, 5322717, 5789622, 6470754, 8684433, 9706131, 10645434, 15968151, 17368866, 18333803, 19412262, 26053299, 29118393, 31936302, 36667606, 52106598, 55001409, 58236786, 110002818, 165004227, 330008454, 495012681, 990025362]

約数ペア:

[(1, 990025362), (2, 495012681), (3, 330008454), (6, 165004227), (9, 110002818), (17, 58236786), (18, 55001409), (19, 52106598), (27, 36667606), (31, 31936302), (34, 29118393), (38, 26053299), (51, 19412262), (54, 18333803), (57, 17368866), (62, 15968151), (93, 10645434), (102, 9706131), (114, 8684433), (153, 6470754), (171, 5789622), (186, 5322717), (279, 3548478), (306, 3235377), (323, 3065094), (342, 2894811), (459, 2156918), (513, 1929874), (527, 1878606), (558, 1774239), (589, 1680858), (646, 1532547), (837, 1182826), (918, 1078459), (969, 1021698), (1026, 964937), (1054, 939303), (1178, 840429), (1581, 626202), (1674, 591413), (1767, 560286), (1831, 540702), (1938, 510849), (2907, 340566), (3162, 313101), (3534, 280143), (3662, 270351), (4743, 208734), (5301, 186762), (5493, 180234), (5814, 170283), (8721, 113522), (9486, 104367), (10013, 98874), (10602, 93381), (10986, 90117), (14229, 69578), (15903, 62254), (16479, 60078), (17442, 56761), (20026, 49437), (28458, 34789), (30039, 32958), (31127, 31806)]