251287520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2131}}^1$

素因数の和:2224

約数の個数: 96

約数和(自身を含む): 657611136

約数和(自身を除く): 406323616

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 67, 80, 88, 110, 134, 160, 176, 220, 268, 335, 352, 440, 536, 670, 737, 880, 1072, 1340, 1474, 1760, 2131, 2144, 2680, 2948, 3685, 4262, 5360, 5896, 7370, 8524, 10655, 10720, 11792, 14740, 17048, 21310, 23441, 23584, 29480, 34096, 42620, 46882, 58960, 68192, 85240, 93764, 117205, 117920, 142777, 170480, 187528, 234410, 285554, 340960, 375056, 468820, 571108, 713885, 750112, 937640, 1142216, 1427770, 1570547, 1875280, 2284432, 2855540, 3141094, 3750560, 4568864, 5711080, 6282188, 7852735, 11422160, 12564376, 15705470, 22844320, 25128752, 31410940, 50257504, 62821880, 125643760, 251287520]

約数ペア:

[(1, 251287520), (2, 125643760), (4, 62821880), (5, 50257504), (8, 31410940), (10, 25128752), (11, 22844320), (16, 15705470), (20, 12564376), (22, 11422160), (32, 7852735), (40, 6282188), (44, 5711080), (55, 4568864), (67, 3750560), (80, 3141094), (88, 2855540), (110, 2284432), (134, 1875280), (160, 1570547), (176, 1427770), (220, 1142216), (268, 937640), (335, 750112), (352, 713885), (440, 571108), (536, 468820), (670, 375056), (737, 340960), (880, 285554), (1072, 234410), (1340, 187528), (1474, 170480), (1760, 142777), (2131, 117920), (2144, 117205), (2680, 93764), (2948, 85240), (3685, 68192), (4262, 58960), (5360, 46882), (5896, 42620), (7370, 34096), (8524, 29480), (10655, 23584), (10720, 23441), (11792, 21310), (14740, 17048)]