289985904

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:340

約数の個数: 240

約数和(自身を含む): 953272320

約数和(自身を除く): 663286416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 31, 36, 38, 39, 48, 52, 57, 62, 72, 76, 78, 93, 104, 114, 117, 124, 144, 152, 156, 171, 186, 208, 228, 234, 247, 248, 263, 279, 304, 312, 342, 372, 403, 456, 468, 494, 496, 526, 558, 589, 624, 684, 741, 744, 789, 806, 912, 936, 988, 1052, 1116, 1178, 1209, 1368, 1482, 1488, 1578, 1612, 1767, 1872, 1976, 2104, 2223, 2232, 2356, 2367, 2418, 2736, 2964, 3156, 3224, 3419, 3534, 3627, 3952, 4208, 4446, 4464, 4712, 4734, 4836, 4997, 5301, 5928, 6312, 6448, 6838, 7068, 7254, 7657, 8153, 8892, 9424, 9468, 9672, 9994, 10257, 10602, 11856, 12624, 13676, 14136, 14508, 14991, 15314, 16306, 17784, 18936, 19344, 19988, 20514, 21204, 22971, 24459, 27352, 28272, 29016, 29982, 30628, 30771, 32612, 35568, 37872, 39976, 41028, 42408, 44973, 45942, 48918, 54704, 58032, 59964, 61256, 61542, 64961, 65224, 68913, 73377, 79952, 82056, 84816, 89946, 91884, 97836, 105989, 119928, 122512, 123084, 129922, 130448, 137826, 146754, 154907, 164112, 179892, 183768, 194883, 195672, 211978, 239856, 246168, 259844, 275652, 293508, 309814, 317967, 359784, 367536, 389766, 391344, 423956, 464721, 492336, 519688, 551304, 584649, 587016, 619628, 635934, 719568, 779532, 847912, 929442, 953901, 1039376, 1102608, 1169298, 1174032, 1239256, 1271868, 1394163, 1559064, 1695824, 1858884, 1907802, 2013791, 2338596, 2478512, 2543736, 2788326, 3118128, 3717768, 3815604, 4027582, 4677192, 5087472, 5576652, 6041373, 7435536, 7631208, 8055164, 9354384, 11153304, 12082746, 15262416, 16110328, 18124119, 22306608, 24165492, 32220656, 36248238, 48330984, 72496476, 96661968, 144992952, 289985904]

約数ペア:

[(1, 289985904), (2, 144992952), (3, 96661968), (4, 72496476), (6, 48330984), (8, 36248238), (9, 32220656), (12, 24165492), (13, 22306608), (16, 18124119), (18, 16110328), (19, 15262416), (24, 12082746), (26, 11153304), (31, 9354384), (36, 8055164), (38, 7631208), (39, 7435536), (48, 6041373), (52, 5576652), (57, 5087472), (62, 4677192), (72, 4027582), (76, 3815604), (78, 3717768), (93, 3118128), (104, 2788326), (114, 2543736), (117, 2478512), (124, 2338596), (144, 2013791), (152, 1907802), (156, 1858884), (171, 1695824), (186, 1559064), (208, 1394163), (228, 1271868), (234, 1239256), (247, 1174032), (248, 1169298), (263, 1102608), (279, 1039376), (304, 953901), (312, 929442), (342, 847912), (372, 779532), (403, 719568), (456, 635934), (468, 619628), (494, 587016), (496, 584649), (526, 551304), (558, 519688), (589, 492336), (624, 464721), (684, 423956), (741, 391344), (744, 389766), (789, 367536), (806, 359784), (912, 317967), (936, 309814), (988, 293508), (1052, 275652), (1116, 259844), (1178, 246168), (1209, 239856), (1368, 211978), (1482, 195672), (1488, 194883), (1578, 183768), (1612, 179892), (1767, 164112), (1872, 154907), (1976, 146754), (2104, 137826), (2223, 130448), (2232, 129922), (2356, 123084), (2367, 122512), (2418, 119928), (2736, 105989), (2964, 97836), (3156, 91884), (3224, 89946), (3419, 84816), (3534, 82056), (3627, 79952), (3952, 73377), (4208, 68913), (4446, 65224), (4464, 64961), (4712, 61542), (4734, 61256), (4836, 59964), (4997, 58032), (5301, 54704), (5928, 48918), (6312, 45942), (6448, 44973), (6838, 42408), (7068, 41028), (7254, 39976), (7657, 37872), (8153, 35568), (8892, 32612), (9424, 30771), (9468, 30628), (9672, 29982), (9994, 29016), (10257, 28272), (10602, 27352), (11856, 24459), (12624, 22971), (13676, 21204), (14136, 20514), (14508, 19988), (14991, 19344), (15314, 18936), (16306, 17784)]