272314280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1949}}^1$

素因数の和:2466

約数の個数: 64

約数和(自身を含む): 702000000

約数和(自身を除く): 429685720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 499, 998, 1949, 1996, 2495, 3493, 3898, 3992, 4990, 6986, 7796, 9745, 9980, 13643, 13972, 15592, 17465, 19490, 19960, 27286, 27944, 34930, 38980, 54572, 68215, 69860, 77960, 109144, 136430, 139720, 272860, 545720, 972551, 1945102, 3890204, 4862755, 6807857, 7780408, 9725510, 13615714, 19451020, 27231428, 34039285, 38902040, 54462856, 68078570, 136157140, 272314280]

約数ペア:

[(1, 272314280), (2, 136157140), (4, 68078570), (5, 54462856), (7, 38902040), (8, 34039285), (10, 27231428), (14, 19451020), (20, 13615714), (28, 9725510), (35, 7780408), (40, 6807857), (56, 4862755), (70, 3890204), (140, 1945102), (280, 972551), (499, 545720), (998, 272860), (1949, 139720), (1996, 136430), (2495, 109144), (3493, 77960), (3898, 69860), (3992, 68215), (4990, 54572), (6986, 38980), (7796, 34930), (9745, 27944), (9980, 27286), (13643, 19960), (13972, 19490), (15592, 17465)]