1998921744

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{761}}^1$

素因数の和:858

約数の個数: 240

約数和(自身を含む): 6301404720

約数和(自身を除く): 4302482976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 29, 34, 36, 37, 48, 51, 58, 68, 72, 74, 87, 102, 111, 116, 136, 144, 148, 153, 174, 204, 222, 232, 261, 272, 296, 306, 333, 348, 408, 444, 464, 493, 522, 592, 612, 629, 666, 696, 761, 816, 888, 986, 1044, 1073, 1224, 1258, 1332, 1392, 1479, 1522, 1776, 1887, 1972, 2088, 2146, 2283, 2448, 2516, 2664, 2958, 3044, 3219, 3774, 3944, 4176, 4292, 4437, 4566, 5032, 5328, 5661, 5916, 6088, 6438, 6849, 7548, 7888, 8584, 8874, 9132, 9657, 10064, 11322, 11832, 12176, 12876, 12937, 13698, 15096, 17168, 17748, 18241, 18264, 19314, 22069, 22644, 23664, 25752, 25874, 27396, 28157, 30192, 35496, 36482, 36528, 38628, 38811, 44138, 45288, 51504, 51748, 54723, 54792, 56314, 66207, 70992, 72964, 77256, 77622, 84471, 88276, 90576, 103496, 109446, 109584, 112628, 116433, 132414, 145928, 154512, 155244, 164169, 168942, 176552, 198621, 206992, 218892, 225256, 232866, 253413, 264828, 291856, 310488, 328338, 337884, 353104, 375173, 397242, 437784, 450512, 465732, 478669, 506826, 529656, 620976, 656676, 675768, 750346, 794484, 816553, 875568, 931464, 957338, 1013652, 1059312, 1125519, 1313352, 1351536, 1436007, 1500692, 1588968, 1633106, 1862928, 1914676, 2027304, 2251038, 2449659, 2626704, 2872014, 3001384, 3177936, 3266212, 3376557, 3829352, 4054608, 4308021, 4502076, 4899318, 5744028, 6002768, 6532424, 6753114, 7348977, 7658704, 8616042, 9004152, 9798636, 11488056, 13064848, 13506228, 13881401, 14697954, 17232084, 18008304, 19597272, 22976112, 27012456, 27762802, 29395908, 34464168, 39194544, 41644203, 54024912, 55525604, 58791816, 68928336, 83288406, 111051208, 117583632, 124932609, 166576812, 222102416, 249865218, 333153624, 499730436, 666307248, 999460872, 1998921744]

約数ペア:

[(1, 1998921744), (2, 999460872), (3, 666307248), (4, 499730436), (6, 333153624), (8, 249865218), (9, 222102416), (12, 166576812), (16, 124932609), (17, 117583632), (18, 111051208), (24, 83288406), (29, 68928336), (34, 58791816), (36, 55525604), (37, 54024912), (48, 41644203), (51, 39194544), (58, 34464168), (68, 29395908), (72, 27762802), (74, 27012456), (87, 22976112), (102, 19597272), (111, 18008304), (116, 17232084), (136, 14697954), (144, 13881401), (148, 13506228), (153, 13064848), (174, 11488056), (204, 9798636), (222, 9004152), (232, 8616042), (261, 7658704), (272, 7348977), (296, 6753114), (306, 6532424), (333, 6002768), (348, 5744028), (408, 4899318), (444, 4502076), (464, 4308021), (493, 4054608), (522, 3829352), (592, 3376557), (612, 3266212), (629, 3177936), (666, 3001384), (696, 2872014), (761, 2626704), (816, 2449659), (888, 2251038), (986, 2027304), (1044, 1914676), (1073, 1862928), (1224, 1633106), (1258, 1588968), (1332, 1500692), (1392, 1436007), (1479, 1351536), (1522, 1313352), (1776, 1125519), (1887, 1059312), (1972, 1013652), (2088, 957338), (2146, 931464), (2283, 875568), (2448, 816553), (2516, 794484), (2664, 750346), (2958, 675768), (3044, 656676), (3219, 620976), (3774, 529656), (3944, 506826), (4176, 478669), (4292, 465732), (4437, 450512), (4566, 437784), (5032, 397242), (5328, 375173), (5661, 353104), (5916, 337884), (6088, 328338), (6438, 310488), (6849, 291856), (7548, 264828), (7888, 253413), (8584, 232866), (8874, 225256), (9132, 218892), (9657, 206992), (10064, 198621), (11322, 176552), (11832, 168942), (12176, 164169), (12876, 155244), (12937, 154512), (13698, 145928), (15096, 132414), (17168, 116433), (17748, 112628), (18241, 109584), (18264, 109446), (19314, 103496), (22069, 90576), (22644, 88276), (23664, 84471), (25752, 77622), (25874, 77256), (27396, 72964), (28157, 70992), (30192, 66207), (35496, 56314), (36482, 54792), (36528, 54723), (38628, 51748), (38811, 51504), (44138, 45288)]