257358192

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:500

約数の個数: 240

約数和(自身を含む): 878693760

約数和(自身を除く): 621335568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 19, 21, 24, 26, 28, 38, 39, 42, 48, 49, 52, 56, 57, 76, 78, 84, 91, 98, 104, 112, 114, 133, 147, 152, 156, 168, 182, 196, 208, 228, 247, 266, 273, 294, 304, 312, 336, 364, 392, 399, 443, 456, 494, 532, 546, 588, 624, 637, 728, 741, 784, 798, 886, 912, 931, 988, 1064, 1092, 1176, 1274, 1329, 1456, 1482, 1596, 1729, 1772, 1862, 1911, 1976, 2128, 2184, 2352, 2548, 2658, 2793, 2964, 3101, 3192, 3458, 3544, 3724, 3822, 3952, 4368, 5096, 5187, 5316, 5586, 5759, 5928, 6202, 6384, 6916, 7088, 7448, 7644, 8417, 9303, 10192, 10374, 10632, 11172, 11518, 11856, 12103, 12404, 13832, 14896, 15288, 16834, 17277, 18606, 20748, 21264, 21707, 22344, 23036, 24206, 24808, 25251, 27664, 30576, 33668, 34554, 36309, 37212, 40313, 41496, 43414, 44688, 46072, 48412, 49616, 50502, 58919, 65121, 67336, 69108, 72618, 74424, 80626, 82992, 86828, 92144, 96824, 101004, 109421, 117838, 120939, 130242, 134672, 138216, 145236, 148848, 161252, 173656, 176757, 193648, 202008, 218842, 235676, 241878, 260484, 276432, 282191, 290472, 322504, 328263, 347312, 353514, 404016, 412433, 437684, 471352, 483756, 520968, 564382, 580944, 645008, 656526, 707028, 765947, 824866, 846573, 875368, 942704, 967512, 1041936, 1128764, 1237299, 1313052, 1414056, 1531894, 1649732, 1693146, 1750736, 1935024, 2257528, 2297841, 2474598, 2626104, 2828112, 3063788, 3299464, 3386292, 4515056, 4595682, 4949196, 5252208, 5361629, 6127576, 6598928, 6772584, 9191364, 9898392, 10723258, 12255152, 13545168, 16084887, 18382728, 19796784, 21446516, 32169774, 36765456, 42893032, 64339548, 85786064, 128679096, 257358192]

約数ペア:

[(1, 257358192), (2, 128679096), (3, 85786064), (4, 64339548), (6, 42893032), (7, 36765456), (8, 32169774), (12, 21446516), (13, 19796784), (14, 18382728), (16, 16084887), (19, 13545168), (21, 12255152), (24, 10723258), (26, 9898392), (28, 9191364), (38, 6772584), (39, 6598928), (42, 6127576), (48, 5361629), (49, 5252208), (52, 4949196), (56, 4595682), (57, 4515056), (76, 3386292), (78, 3299464), (84, 3063788), (91, 2828112), (98, 2626104), (104, 2474598), (112, 2297841), (114, 2257528), (133, 1935024), (147, 1750736), (152, 1693146), (156, 1649732), (168, 1531894), (182, 1414056), (196, 1313052), (208, 1237299), (228, 1128764), (247, 1041936), (266, 967512), (273, 942704), (294, 875368), (304, 846573), (312, 824866), (336, 765947), (364, 707028), (392, 656526), (399, 645008), (443, 580944), (456, 564382), (494, 520968), (532, 483756), (546, 471352), (588, 437684), (624, 412433), (637, 404016), (728, 353514), (741, 347312), (784, 328263), (798, 322504), (886, 290472), (912, 282191), (931, 276432), (988, 260484), (1064, 241878), (1092, 235676), (1176, 218842), (1274, 202008), (1329, 193648), (1456, 176757), (1482, 173656), (1596, 161252), (1729, 148848), (1772, 145236), (1862, 138216), (1911, 134672), (1976, 130242), (2128, 120939), (2184, 117838), (2352, 109421), (2548, 101004), (2658, 96824), (2793, 92144), (2964, 86828), (3101, 82992), (3192, 80626), (3458, 74424), (3544, 72618), (3724, 69108), (3822, 67336), (3952, 65121), (4368, 58919), (5096, 50502), (5187, 49616), (5316, 48412), (5586, 46072), (5759, 44688), (5928, 43414), (6202, 41496), (6384, 40313), (6916, 37212), (7088, 36309), (7448, 34554), (7644, 33668), (8417, 30576), (9303, 27664), (10192, 25251), (10374, 24808), (10632, 24206), (11172, 23036), (11518, 22344), (11856, 21707), (12103, 21264), (12404, 20748), (13832, 18606), (14896, 17277), (15288, 16834)]