257916792

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:163

約数の個数: 256

約数和(自身を含む): 846720000

約数和(自身を除く): 588803208

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 19, 21, 24, 28, 34, 38, 42, 49, 51, 56, 57, 68, 76, 84, 97, 98, 102, 114, 119, 133, 136, 147, 152, 168, 194, 196, 204, 228, 238, 266, 291, 294, 323, 343, 357, 388, 392, 399, 408, 456, 476, 532, 582, 588, 646, 679, 686, 714, 776, 798, 833, 931, 952, 969, 1029, 1064, 1164, 1176, 1292, 1358, 1372, 1428, 1596, 1649, 1666, 1843, 1862, 1938, 2037, 2058, 2261, 2328, 2499, 2584, 2716, 2744, 2793, 2856, 3192, 3298, 3332, 3686, 3724, 3876, 4074, 4116, 4522, 4753, 4947, 4998, 5432, 5529, 5586, 5831, 6517, 6596, 6664, 6783, 7372, 7448, 7752, 8148, 8232, 9044, 9506, 9894, 9996, 11058, 11172, 11543, 11662, 12901, 13034, 13192, 13566, 14259, 14744, 15827, 16296, 17493, 18088, 19012, 19551, 19788, 19992, 22116, 22344, 23086, 23324, 25802, 26068, 27132, 28518, 31331, 31654, 33271, 34629, 34986, 38024, 38703, 39102, 39576, 44232, 46172, 46648, 47481, 51604, 52136, 54264, 57036, 62662, 63308, 66542, 69258, 69972, 77406, 78204, 80801, 90307, 92344, 93993, 94962, 99813, 103208, 110789, 114072, 125324, 126616, 133084, 138516, 139944, 154812, 156408, 161602, 180614, 187986, 189924, 199626, 219317, 221578, 242403, 250648, 266168, 270921, 277032, 309624, 323204, 332367, 361228, 375972, 379848, 399252, 438634, 443156, 484806, 541842, 565607, 632149, 646408, 657951, 664734, 722456, 751944, 798504, 877268, 886312, 969612, 1083684, 1131214, 1264298, 1315902, 1329468, 1535219, 1696821, 1754536, 1896447, 1939224, 2167368, 2262428, 2528596, 2631804, 2658936, 3070438, 3393642, 3792894, 4524856, 4605657, 5057192, 5263608, 6140876, 6787284, 7585788, 9211314, 10746533, 12281752, 13574568, 15171576, 18422628, 21493066, 32239599, 36845256, 42986132, 64479198, 85972264, 128958396, 257916792]

約数ペア:

[(1, 257916792), (2, 128958396), (3, 85972264), (4, 64479198), (6, 42986132), (7, 36845256), (8, 32239599), (12, 21493066), (14, 18422628), (17, 15171576), (19, 13574568), (21, 12281752), (24, 10746533), (28, 9211314), (34, 7585788), (38, 6787284), (42, 6140876), (49, 5263608), (51, 5057192), (56, 4605657), (57, 4524856), (68, 3792894), (76, 3393642), (84, 3070438), (97, 2658936), (98, 2631804), (102, 2528596), (114, 2262428), (119, 2167368), (133, 1939224), (136, 1896447), (147, 1754536), (152, 1696821), (168, 1535219), (194, 1329468), (196, 1315902), (204, 1264298), (228, 1131214), (238, 1083684), (266, 969612), (291, 886312), (294, 877268), (323, 798504), (343, 751944), (357, 722456), (388, 664734), (392, 657951), (399, 646408), (408, 632149), (456, 565607), (476, 541842), (532, 484806), (582, 443156), (588, 438634), (646, 399252), (679, 379848), (686, 375972), (714, 361228), (776, 332367), (798, 323204), (833, 309624), (931, 277032), (952, 270921), (969, 266168), (1029, 250648), (1064, 242403), (1164, 221578), (1176, 219317), (1292, 199626), (1358, 189924), (1372, 187986), (1428, 180614), (1596, 161602), (1649, 156408), (1666, 154812), (1843, 139944), (1862, 138516), (1938, 133084), (2037, 126616), (2058, 125324), (2261, 114072), (2328, 110789), (2499, 103208), (2584, 99813), (2716, 94962), (2744, 93993), (2793, 92344), (2856, 90307), (3192, 80801), (3298, 78204), (3332, 77406), (3686, 69972), (3724, 69258), (3876, 66542), (4074, 63308), (4116, 62662), (4522, 57036), (4753, 54264), (4947, 52136), (4998, 51604), (5432, 47481), (5529, 46648), (5586, 46172), (5831, 44232), (6517, 39576), (6596, 39102), (6664, 38703), (6783, 38024), (7372, 34986), (7448, 34629), (7752, 33271), (8148, 31654), (8232, 31331), (9044, 28518), (9506, 27132), (9894, 26068), (9996, 25802), (11058, 23324), (11172, 23086), (11543, 22344), (11662, 22116), (12901, 19992), (13034, 19788), (13192, 19551), (13566, 19012), (14259, 18088), (14744, 17493), (15827, 16296)]