280892416

素因数分解:

$2^{10}\times 7^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:439

約数の個数: 88

約数和(自身を含む): 648489600

約数和(自身を除く): 367597184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 149, 224, 256, 263, 298, 448, 512, 526, 596, 896, 1024, 1043, 1052, 1192, 1792, 1841, 2086, 2104, 2384, 3584, 3682, 4172, 4208, 4768, 7168, 7364, 8344, 8416, 9536, 14728, 16688, 16832, 19072, 29456, 33376, 33664, 38144, 39187, 58912, 66752, 67328, 76288, 78374, 117824, 133504, 134656, 152576, 156748, 235648, 267008, 269312, 274309, 313496, 471296, 534016, 548618, 626992, 942592, 1068032, 1097236, 1253984, 1885184, 2194472, 2507968, 4388944, 5015936, 8777888, 10031872, 17555776, 20063744, 35111552, 40127488, 70223104, 140446208, 280892416]

約数ペア:

[(1, 280892416), (2, 140446208), (4, 70223104), (7, 40127488), (8, 35111552), (14, 20063744), (16, 17555776), (28, 10031872), (32, 8777888), (56, 5015936), (64, 4388944), (112, 2507968), (128, 2194472), (149, 1885184), (224, 1253984), (256, 1097236), (263, 1068032), (298, 942592), (448, 626992), (512, 548618), (526, 534016), (596, 471296), (896, 313496), (1024, 274309), (1043, 269312), (1052, 267008), (1192, 235648), (1792, 156748), (1841, 152576), (2086, 134656), (2104, 133504), (2384, 117824), (3584, 78374), (3682, 76288), (4172, 67328), (4208, 66752), (4768, 58912), (7168, 39187), (7364, 38144), (8344, 33664), (8416, 33376), (9536, 29456), (14728, 19072), (16688, 16832)]