400736256

素因数分解:

$2^{14}\times 3^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:325

約数の個数: 120

約数和(自身を含む): 1107262464

約数和(自身を除く): 706526208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 263, 372, 384, 496, 512, 526, 744, 768, 789, 992, 1024, 1052, 1488, 1536, 1578, 1984, 2048, 2104, 2976, 3072, 3156, 3968, 4096, 4208, 5952, 6144, 6312, 7936, 8153, 8192, 8416, 11904, 12288, 12624, 15872, 16306, 16384, 16832, 23808, 24459, 24576, 25248, 31744, 32612, 33664, 47616, 48918, 49152, 50496, 63488, 65224, 67328, 95232, 97836, 100992, 126976, 130448, 134656, 190464, 195672, 201984, 253952, 260896, 269312, 380928, 391344, 403968, 507904, 521792, 538624, 761856, 782688, 807936, 1043584, 1077248, 1523712, 1565376, 1615872, 2087168, 2154496, 3130752, 3231744, 4174336, 4308992, 6261504, 6463488, 8348672, 12523008, 12926976, 16697344, 25046016, 33394688, 50092032, 66789376, 100184064, 133578752, 200368128, 400736256]

約数ペア:

[(1, 400736256), (2, 200368128), (3, 133578752), (4, 100184064), (6, 66789376), (8, 50092032), (12, 33394688), (16, 25046016), (24, 16697344), (31, 12926976), (32, 12523008), (48, 8348672), (62, 6463488), (64, 6261504), (93, 4308992), (96, 4174336), (124, 3231744), (128, 3130752), (186, 2154496), (192, 2087168), (248, 1615872), (256, 1565376), (263, 1523712), (372, 1077248), (384, 1043584), (496, 807936), (512, 782688), (526, 761856), (744, 538624), (768, 521792), (789, 507904), (992, 403968), (1024, 391344), (1052, 380928), (1488, 269312), (1536, 260896), (1578, 253952), (1984, 201984), (2048, 195672), (2104, 190464), (2976, 134656), (3072, 130448), (3156, 126976), (3968, 100992), (4096, 97836), (4208, 95232), (5952, 67328), (6144, 65224), (6312, 63488), (7936, 50496), (8153, 49152), (8192, 48918), (8416, 47616), (11904, 33664), (12288, 32612), (12624, 31744), (15872, 25248), (16306, 24576), (16384, 24459), (16832, 23808)]