257746896

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:266

約数の個数: 240

約数和(自身を含む): 844945920

約数和(自身を除く): 587199024

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 29, 31, 33, 36, 44, 48, 58, 62, 66, 72, 87, 88, 93, 99, 116, 124, 132, 144, 174, 176, 181, 186, 198, 232, 248, 261, 264, 279, 319, 341, 348, 362, 372, 396, 464, 496, 522, 528, 543, 558, 638, 682, 696, 724, 744, 792, 899, 957, 1023, 1044, 1086, 1116, 1276, 1364, 1392, 1448, 1488, 1584, 1629, 1798, 1914, 1991, 2046, 2088, 2172, 2232, 2552, 2697, 2728, 2871, 2896, 3069, 3258, 3596, 3828, 3982, 4092, 4176, 4344, 4464, 5104, 5249, 5394, 5456, 5611, 5742, 5973, 6138, 6516, 7192, 7656, 7964, 8091, 8184, 8688, 9889, 10498, 10788, 11222, 11484, 11946, 12276, 13032, 14384, 15312, 15747, 15928, 16182, 16368, 16833, 17919, 19778, 20996, 21576, 22444, 22968, 23892, 24552, 26064, 29667, 31494, 31856, 32364, 33666, 35838, 39556, 41992, 43152, 44888, 45936, 47241, 47784, 49104, 50499, 57739, 59334, 61721, 62988, 64728, 67332, 71676, 79112, 83984, 89001, 89776, 94482, 95568, 100998, 115478, 118668, 123442, 125976, 129456, 134664, 143352, 158224, 162719, 173217, 178002, 185163, 188964, 201996, 230956, 237336, 246884, 251952, 269328, 286704, 325438, 346434, 356004, 370326, 377928, 403992, 461912, 474672, 488157, 493768, 519651, 555489, 650876, 692868, 712008, 740652, 755856, 807984, 923824, 976314, 987536, 1039302, 1110978, 1301752, 1385736, 1424016, 1464471, 1481304, 1789909, 1952628, 2078604, 2221956, 2603504, 2771472, 2928942, 2962608, 3579818, 3905256, 4157208, 4443912, 5369727, 5857884, 7159636, 7810512, 8314416, 8887824, 10739454, 11715768, 14319272, 16109181, 21478908, 23431536, 28638544, 32218362, 42957816, 64436724, 85915632, 128873448, 257746896]

約数ペア:

[(1, 257746896), (2, 128873448), (3, 85915632), (4, 64436724), (6, 42957816), (8, 32218362), (9, 28638544), (11, 23431536), (12, 21478908), (16, 16109181), (18, 14319272), (22, 11715768), (24, 10739454), (29, 8887824), (31, 8314416), (33, 7810512), (36, 7159636), (44, 5857884), (48, 5369727), (58, 4443912), (62, 4157208), (66, 3905256), (72, 3579818), (87, 2962608), (88, 2928942), (93, 2771472), (99, 2603504), (116, 2221956), (124, 2078604), (132, 1952628), (144, 1789909), (174, 1481304), (176, 1464471), (181, 1424016), (186, 1385736), (198, 1301752), (232, 1110978), (248, 1039302), (261, 987536), (264, 976314), (279, 923824), (319, 807984), (341, 755856), (348, 740652), (362, 712008), (372, 692868), (396, 650876), (464, 555489), (496, 519651), (522, 493768), (528, 488157), (543, 474672), (558, 461912), (638, 403992), (682, 377928), (696, 370326), (724, 356004), (744, 346434), (792, 325438), (899, 286704), (957, 269328), (1023, 251952), (1044, 246884), (1086, 237336), (1116, 230956), (1276, 201996), (1364, 188964), (1392, 185163), (1448, 178002), (1488, 173217), (1584, 162719), (1629, 158224), (1798, 143352), (1914, 134664), (1991, 129456), (2046, 125976), (2088, 123442), (2172, 118668), (2232, 115478), (2552, 100998), (2697, 95568), (2728, 94482), (2871, 89776), (2896, 89001), (3069, 83984), (3258, 79112), (3596, 71676), (3828, 67332), (3982, 64728), (4092, 62988), (4176, 61721), (4344, 59334), (4464, 57739), (5104, 50499), (5249, 49104), (5394, 47784), (5456, 47241), (5611, 45936), (5742, 44888), (5973, 43152), (6138, 41992), (6516, 39556), (7192, 35838), (7656, 33666), (7964, 32364), (8091, 31856), (8184, 31494), (8688, 29667), (9889, 26064), (10498, 24552), (10788, 23892), (11222, 22968), (11484, 22444), (11946, 21576), (12276, 20996), (13032, 19778), (14384, 17919), (15312, 16833), (15747, 16368), (15928, 16182)]