289467904

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:631

約数の個数: 80

約数和(自身を含む): 638352000

約数和(自身を除く): 348884096

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 103, 128, 176, 206, 256, 352, 412, 499, 512, 704, 824, 998, 1133, 1408, 1648, 1996, 2266, 2816, 3296, 3992, 4532, 5489, 5632, 6592, 7984, 9064, 10978, 13184, 15968, 18128, 21956, 26368, 31936, 36256, 43912, 51397, 52736, 63872, 72512, 87824, 102794, 127744, 145024, 175648, 205588, 255488, 290048, 351296, 411176, 565367, 580096, 702592, 822352, 1130734, 1405184, 1644704, 2261468, 2810368, 3289408, 4522936, 6578816, 9045872, 13157632, 18091744, 26315264, 36183488, 72366976, 144733952, 289467904]

約数ペア:

[(1, 289467904), (2, 144733952), (4, 72366976), (8, 36183488), (11, 26315264), (16, 18091744), (22, 13157632), (32, 9045872), (44, 6578816), (64, 4522936), (88, 3289408), (103, 2810368), (128, 2261468), (176, 1644704), (206, 1405184), (256, 1130734), (352, 822352), (412, 702592), (499, 580096), (512, 565367), (704, 411176), (824, 351296), (998, 290048), (1133, 255488), (1408, 205588), (1648, 175648), (1996, 145024), (2266, 127744), (2816, 102794), (3296, 87824), (3992, 72512), (4532, 63872), (5489, 52736), (5632, 51397), (6592, 43912), (7984, 36256), (9064, 31936), (10978, 26368), (13184, 21956), (15968, 18128)]