218412920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{17117}}^1$

素因数の和:17168

約数の個数: 64

約数和(自身を含む): 554623200

約数和(自身を除く): 336210280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2552, 3190, 6380, 12760, 17117, 34234, 68468, 85585, 136936, 171170, 188287, 342340, 376574, 496393, 684680, 753148, 941435, 992786, 1506296, 1882870, 1985572, 2481965, 3765740, 3971144, 4963930, 5460323, 7531480, 9927860, 10920646, 19855720, 21841292, 27301615, 43682584, 54603230, 109206460, 218412920]

約数ペア:

[(1, 218412920), (2, 109206460), (4, 54603230), (5, 43682584), (8, 27301615), (10, 21841292), (11, 19855720), (20, 10920646), (22, 9927860), (29, 7531480), (40, 5460323), (44, 4963930), (55, 3971144), (58, 3765740), (88, 2481965), (110, 1985572), (116, 1882870), (145, 1506296), (220, 992786), (232, 941435), (290, 753148), (319, 684680), (440, 496393), (580, 376574), (638, 342340), (1160, 188287), (1276, 171170), (1595, 136936), (2552, 85585), (3190, 68468), (6380, 34234), (12760, 17117)]