291230720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5171}}^1$

素因数の和:5207

約数の個数: 88

約数和(自身を含む): 762270048

約数和(自身を除く): 471039328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1024, 1280, 1408, 1760, 2560, 2816, 3520, 5120, 5171, 5632, 7040, 10342, 11264, 14080, 20684, 25855, 28160, 41368, 51710, 56320, 56881, 82736, 103420, 113762, 165472, 206840, 227524, 284405, 330944, 413680, 455048, 568810, 661888, 827360, 910096, 1137620, 1323776, 1654720, 1820192, 2275240, 2647552, 3309440, 3640384, 4550480, 5295104, 6618880, 7280768, 9100960, 13237760, 14561536, 18201920, 26475520, 29123072, 36403840, 58246144, 72807680, 145615360, 291230720]

約数ペア:

[(1, 291230720), (2, 145615360), (4, 72807680), (5, 58246144), (8, 36403840), (10, 29123072), (11, 26475520), (16, 18201920), (20, 14561536), (22, 13237760), (32, 9100960), (40, 7280768), (44, 6618880), (55, 5295104), (64, 4550480), (80, 3640384), (88, 3309440), (110, 2647552), (128, 2275240), (160, 1820192), (176, 1654720), (220, 1323776), (256, 1137620), (320, 910096), (352, 827360), (440, 661888), (512, 568810), (640, 455048), (704, 413680), (880, 330944), (1024, 284405), (1280, 227524), (1408, 206840), (1760, 165472), (2560, 113762), (2816, 103420), (3520, 82736), (5120, 56881), (5171, 56320), (5632, 51710), (7040, 41368), (10342, 28160), (11264, 25855), (14080, 20684)]