254654568

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 288

約数和(自身を含む): 880308000

約数和(自身を除く): 625653432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 28, 29, 36, 38, 42, 49, 56, 57, 58, 63, 72, 76, 84, 87, 98, 114, 116, 126, 131, 133, 147, 152, 168, 171, 174, 196, 203, 228, 232, 252, 261, 262, 266, 294, 342, 348, 392, 393, 399, 406, 441, 456, 504, 522, 524, 532, 551, 588, 609, 684, 696, 786, 798, 812, 882, 917, 931, 1044, 1048, 1064, 1102, 1176, 1179, 1197, 1218, 1368, 1421, 1572, 1596, 1624, 1653, 1764, 1827, 1834, 1862, 2088, 2204, 2358, 2394, 2436, 2489, 2751, 2793, 2842, 3144, 3192, 3306, 3528, 3654, 3668, 3724, 3799, 3857, 4263, 4408, 4716, 4788, 4872, 4959, 4978, 5502, 5586, 5684, 6419, 6612, 7308, 7336, 7448, 7467, 7598, 7714, 8253, 8379, 8526, 9432, 9576, 9918, 9956, 11004, 11172, 11368, 11397, 11571, 12789, 12838, 13224, 14616, 14934, 15196, 15428, 16506, 16758, 17052, 17423, 19257, 19836, 19912, 22008, 22344, 22401, 22794, 23142, 25578, 25676, 26593, 26999, 29868, 30392, 30856, 33012, 33516, 34104, 34191, 34713, 34846, 38514, 39672, 44802, 45588, 46284, 51156, 51352, 52269, 53186, 53998, 57771, 59736, 66024, 67032, 68382, 69426, 69692, 72181, 77028, 79779, 80997, 89604, 91176, 92568, 102312, 104538, 106372, 107996, 115542, 121961, 136764, 138852, 139384, 144362, 154056, 156807, 159558, 161994, 179208, 186151, 209076, 212744, 215992, 216543, 231084, 239337, 242991, 243922, 273528, 277704, 288724, 313614, 319116, 323988, 365883, 372302, 418152, 433086, 462168, 478674, 485982, 487844, 505267, 558453, 577448, 627228, 638232, 647976, 649629, 731766, 744604, 866172, 957348, 971964, 975688, 1010534, 1097649, 1116906, 1254456, 1299258, 1463532, 1489208, 1515801, 1675359, 1732344, 1914696, 1943928, 2021068, 2195298, 2233812, 2598516, 2927064, 3031602, 3350718, 3536869, 4042136, 4390596, 4467624, 4547403, 5197032, 6063204, 6701436, 7073738, 8781192, 9094806, 10610607, 12126408, 13402872, 14147476, 18189612, 21221214, 28294952, 31831821, 36379224, 42442428, 63663642, 84884856, 127327284, 254654568]

約数ペア:

[(1, 254654568), (2, 127327284), (3, 84884856), (4, 63663642), (6, 42442428), (7, 36379224), (8, 31831821), (9, 28294952), (12, 21221214), (14, 18189612), (18, 14147476), (19, 13402872), (21, 12126408), (24, 10610607), (28, 9094806), (29, 8781192), (36, 7073738), (38, 6701436), (42, 6063204), (49, 5197032), (56, 4547403), (57, 4467624), (58, 4390596), (63, 4042136), (72, 3536869), (76, 3350718), (84, 3031602), (87, 2927064), (98, 2598516), (114, 2233812), (116, 2195298), (126, 2021068), (131, 1943928), (133, 1914696), (147, 1732344), (152, 1675359), (168, 1515801), (171, 1489208), (174, 1463532), (196, 1299258), (203, 1254456), (228, 1116906), (232, 1097649), (252, 1010534), (261, 975688), (262, 971964), (266, 957348), (294, 866172), (342, 744604), (348, 731766), (392, 649629), (393, 647976), (399, 638232), (406, 627228), (441, 577448), (456, 558453), (504, 505267), (522, 487844), (524, 485982), (532, 478674), (551, 462168), (588, 433086), (609, 418152), (684, 372302), (696, 365883), (786, 323988), (798, 319116), (812, 313614), (882, 288724), (917, 277704), (931, 273528), (1044, 243922), (1048, 242991), (1064, 239337), (1102, 231084), (1176, 216543), (1179, 215992), (1197, 212744), (1218, 209076), (1368, 186151), (1421, 179208), (1572, 161994), (1596, 159558), (1624, 156807), (1653, 154056), (1764, 144362), (1827, 139384), (1834, 138852), (1862, 136764), (2088, 121961), (2204, 115542), (2358, 107996), (2394, 106372), (2436, 104538), (2489, 102312), (2751, 92568), (2793, 91176), (2842, 89604), (3144, 80997), (3192, 79779), (3306, 77028), (3528, 72181), (3654, 69692), (3668, 69426), (3724, 68382), (3799, 67032), (3857, 66024), (4263, 59736), (4408, 57771), (4716, 53998), (4788, 53186), (4872, 52269), (4959, 51352), (4978, 51156), (5502, 46284), (5586, 45588), (5684, 44802), (6419, 39672), (6612, 38514), (7308, 34846), (7336, 34713), (7448, 34191), (7467, 34104), (7598, 33516), (7714, 33012), (8253, 30856), (8379, 30392), (8526, 29868), (9432, 26999), (9576, 26593), (9918, 25676), (9956, 25578), (11004, 23142), (11172, 22794), (11368, 22401), (11397, 22344), (11571, 22008), (12789, 19912), (12838, 19836), (13224, 19257), (14616, 17423), (14934, 17052), (15196, 16758), (15428, 16506)]