319549984

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:474

約数の個数: 96

約数和(自身を含む): 711244800

約数和(自身を除く): 391694816

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 71, 104, 124, 142, 208, 248, 284, 349, 403, 416, 496, 568, 698, 806, 923, 992, 1136, 1396, 1612, 1846, 2201, 2272, 2792, 3224, 3692, 4402, 4537, 5584, 6448, 7384, 8804, 9074, 10819, 11168, 12896, 14768, 17608, 18148, 21638, 24779, 28613, 29536, 35216, 36296, 43276, 49558, 57226, 70432, 72592, 86552, 99116, 114452, 140647, 145184, 173104, 198232, 228904, 281294, 322127, 346208, 396464, 457808, 562588, 644254, 768149, 792928, 915616, 1125176, 1288508, 1536298, 2250352, 2577016, 3072596, 4500704, 5154032, 6145192, 9985937, 10308064, 12290384, 19971874, 24580768, 39943748, 79887496, 159774992, 319549984]

約数ペア:

[(1, 319549984), (2, 159774992), (4, 79887496), (8, 39943748), (13, 24580768), (16, 19971874), (26, 12290384), (31, 10308064), (32, 9985937), (52, 6145192), (62, 5154032), (71, 4500704), (104, 3072596), (124, 2577016), (142, 2250352), (208, 1536298), (248, 1288508), (284, 1125176), (349, 915616), (403, 792928), (416, 768149), (496, 644254), (568, 562588), (698, 457808), (806, 396464), (923, 346208), (992, 322127), (1136, 281294), (1396, 228904), (1612, 198232), (1846, 173104), (2201, 145184), (2272, 140647), (2792, 114452), (3224, 99116), (3692, 86552), (4402, 72592), (4537, 70432), (5584, 57226), (6448, 49558), (7384, 43276), (8804, 36296), (9074, 35216), (10819, 29536), (11168, 28613), (12896, 24779), (14768, 21638), (17608, 18148)]