260443904

素因数分解:

$2^8\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 635765760

約数和(自身を除く): 375321856

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 71, 89, 92, 112, 128, 142, 161, 178, 184, 224, 256, 284, 322, 356, 368, 448, 497, 568, 623, 644, 712, 736, 896, 994, 1136, 1246, 1288, 1424, 1472, 1633, 1792, 1988, 2047, 2272, 2492, 2576, 2848, 2944, 3266, 3976, 4094, 4544, 4984, 5152, 5696, 5888, 6319, 6532, 7952, 8188, 9088, 9968, 10304, 11392, 11431, 12638, 13064, 14329, 15904, 16376, 18176, 19936, 20608, 22784, 22862, 25276, 26128, 28658, 31808, 32752, 39872, 41216, 44233, 45724, 50552, 52256, 57316, 63616, 65504, 79744, 88466, 91448, 101104, 104512, 114632, 127232, 131008, 145337, 159488, 176932, 182896, 202208, 209024, 229264, 262016, 290674, 353864, 365792, 404416, 418048, 458528, 524032, 581348, 707728, 731584, 808832, 917056, 1017359, 1162696, 1415456, 1463168, 1617664, 1834112, 2034718, 2325392, 2830912, 2926336, 3668224, 4069436, 4650784, 5661824, 8138872, 9301568, 11323648, 16277744, 18603136, 32555488, 37206272, 65110976, 130221952, 260443904]

約数ペア:

[(1, 260443904), (2, 130221952), (4, 65110976), (7, 37206272), (8, 32555488), (14, 18603136), (16, 16277744), (23, 11323648), (28, 9301568), (32, 8138872), (46, 5661824), (56, 4650784), (64, 4069436), (71, 3668224), (89, 2926336), (92, 2830912), (112, 2325392), (128, 2034718), (142, 1834112), (161, 1617664), (178, 1463168), (184, 1415456), (224, 1162696), (256, 1017359), (284, 917056), (322, 808832), (356, 731584), (368, 707728), (448, 581348), (497, 524032), (568, 458528), (623, 418048), (644, 404416), (712, 365792), (736, 353864), (896, 290674), (994, 262016), (1136, 229264), (1246, 209024), (1288, 202208), (1424, 182896), (1472, 176932), (1633, 159488), (1792, 145337), (1988, 131008), (2047, 127232), (2272, 114632), (2492, 104512), (2576, 101104), (2848, 91448), (2944, 88466), (3266, 79744), (3976, 65504), (4094, 63616), (4544, 57316), (4984, 52256), (5152, 50552), (5696, 45724), (5888, 44233), (6319, 41216), (6532, 39872), (7952, 32752), (8188, 31808), (9088, 28658), (9968, 26128), (10304, 25276), (11392, 22862), (11431, 22784), (12638, 20608), (13064, 19936), (14329, 18176), (15904, 16376)]