251208576

素因数分解:

$2^7\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:561

約数の個数: 192

約数和(自身を含む): 795600000

約数和(自身を除く): 544391424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 23, 24, 32, 36, 38, 46, 48, 57, 64, 69, 72, 76, 92, 96, 114, 128, 138, 144, 152, 171, 184, 192, 207, 228, 276, 288, 304, 342, 368, 384, 414, 437, 456, 499, 552, 576, 608, 684, 736, 828, 874, 912, 998, 1104, 1152, 1216, 1311, 1368, 1472, 1497, 1656, 1748, 1824, 1996, 2208, 2432, 2622, 2736, 2944, 2994, 3312, 3496, 3648, 3933, 3992, 4416, 4491, 5244, 5472, 5988, 6624, 6992, 7296, 7866, 7984, 8832, 8982, 9481, 10488, 10944, 11477, 11976, 13248, 13984, 15732, 15968, 17964, 18962, 20976, 21888, 22954, 23952, 26496, 27968, 28443, 31464, 31936, 34431, 35928, 37924, 41952, 45908, 47904, 55936, 56886, 62928, 63872, 68862, 71856, 75848, 83904, 85329, 91816, 95808, 103293, 113772, 125856, 137724, 143712, 151696, 167808, 170658, 183632, 191616, 206586, 218063, 227544, 251712, 275448, 287424, 303392, 341316, 367264, 413172, 436126, 455088, 503424, 550896, 574848, 606784, 654189, 682632, 734528, 826344, 872252, 910176, 1101792, 1213568, 1308378, 1365264, 1469056, 1652688, 1744504, 1820352, 1962567, 2203584, 2616756, 2730528, 3305376, 3489008, 3640704, 3925134, 4407168, 5233512, 5461056, 6610752, 6978016, 7850268, 10467024, 10922112, 13221504, 13956032, 15700536, 20934048, 27912064, 31401072, 41868096, 62802144, 83736192, 125604288, 251208576]

約数ペア:

[(1, 251208576), (2, 125604288), (3, 83736192), (4, 62802144), (6, 41868096), (8, 31401072), (9, 27912064), (12, 20934048), (16, 15700536), (18, 13956032), (19, 13221504), (23, 10922112), (24, 10467024), (32, 7850268), (36, 6978016), (38, 6610752), (46, 5461056), (48, 5233512), (57, 4407168), (64, 3925134), (69, 3640704), (72, 3489008), (76, 3305376), (92, 2730528), (96, 2616756), (114, 2203584), (128, 1962567), (138, 1820352), (144, 1744504), (152, 1652688), (171, 1469056), (184, 1365264), (192, 1308378), (207, 1213568), (228, 1101792), (276, 910176), (288, 872252), (304, 826344), (342, 734528), (368, 682632), (384, 654189), (414, 606784), (437, 574848), (456, 550896), (499, 503424), (552, 455088), (576, 436126), (608, 413172), (684, 367264), (736, 341316), (828, 303392), (874, 287424), (912, 275448), (998, 251712), (1104, 227544), (1152, 218063), (1216, 206586), (1311, 191616), (1368, 183632), (1472, 170658), (1497, 167808), (1656, 151696), (1748, 143712), (1824, 137724), (1996, 125856), (2208, 113772), (2432, 103293), (2622, 95808), (2736, 91816), (2944, 85329), (2994, 83904), (3312, 75848), (3496, 71856), (3648, 68862), (3933, 63872), (3992, 62928), (4416, 56886), (4491, 55936), (5244, 47904), (5472, 45908), (5988, 41952), (6624, 37924), (6992, 35928), (7296, 34431), (7866, 31936), (7984, 31464), (8832, 28443), (8982, 27968), (9481, 26496), (10488, 23952), (10944, 22954), (11477, 21888), (11976, 20976), (13248, 18962), (13984, 17964), (15732, 15968)]