278323968

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 812579936

約数和(自身を除く): 534255968

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 61, 64, 78, 96, 104, 122, 128, 156, 183, 192, 208, 244, 256, 312, 366, 384, 416, 457, 488, 624, 732, 768, 793, 832, 914, 976, 1248, 1371, 1464, 1586, 1664, 1828, 1952, 2379, 2496, 2742, 2928, 3172, 3328, 3656, 3904, 4758, 4992, 5484, 5856, 5941, 6344, 7312, 7808, 9516, 9984, 10968, 11712, 11882, 12688, 14624, 15616, 17823, 19032, 21936, 23424, 23764, 25376, 27877, 29248, 35646, 38064, 43872, 46848, 47528, 50752, 55754, 58496, 71292, 76128, 83631, 87744, 95056, 101504, 111508, 116992, 142584, 152256, 167262, 175488, 190112, 203008, 223016, 285168, 304512, 334524, 350976, 362401, 380224, 446032, 570336, 609024, 669048, 724802, 760448, 892064, 1087203, 1140672, 1338096, 1449604, 1520896, 1784128, 2174406, 2281344, 2676192, 2899208, 3568256, 4348812, 4562688, 5352384, 5798416, 7136512, 8697624, 10704768, 11596832, 17395248, 21409536, 23193664, 34790496, 46387328, 69580992, 92774656, 139161984, 278323968]

約数ペア:

[(1, 278323968), (2, 139161984), (3, 92774656), (4, 69580992), (6, 46387328), (8, 34790496), (12, 23193664), (13, 21409536), (16, 17395248), (24, 11596832), (26, 10704768), (32, 8697624), (39, 7136512), (48, 5798416), (52, 5352384), (61, 4562688), (64, 4348812), (78, 3568256), (96, 2899208), (104, 2676192), (122, 2281344), (128, 2174406), (156, 1784128), (183, 1520896), (192, 1449604), (208, 1338096), (244, 1140672), (256, 1087203), (312, 892064), (366, 760448), (384, 724802), (416, 669048), (457, 609024), (488, 570336), (624, 446032), (732, 380224), (768, 362401), (793, 350976), (832, 334524), (914, 304512), (976, 285168), (1248, 223016), (1371, 203008), (1464, 190112), (1586, 175488), (1664, 167262), (1828, 152256), (1952, 142584), (2379, 116992), (2496, 111508), (2742, 101504), (2928, 95056), (3172, 87744), (3328, 83631), (3656, 76128), (3904, 71292), (4758, 58496), (4992, 55754), (5484, 50752), (5856, 47528), (5941, 46848), (6344, 43872), (7312, 38064), (7808, 35646), (9516, 29248), (9984, 27877), (10968, 25376), (11712, 23764), (11882, 23424), (12688, 21936), (14624, 19032), (15616, 17823)]