213812480

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{487}}^1$

素因数の和:529

約数の個数: 144

約数和(自身を含む): 598483200

約数和(自身を除く): 384670720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 448, 487, 490, 560, 640, 686, 784, 896, 974, 980, 1120, 1280, 1372, 1568, 1715, 1792, 1948, 1960, 2240, 2435, 2744, 3136, 3409, 3430, 3896, 3920, 4480, 4870, 5488, 6272, 6818, 6860, 7792, 7840, 8960, 9740, 10976, 12544, 13636, 13720, 15584, 15680, 17045, 19480, 21952, 23863, 27272, 27440, 31168, 31360, 34090, 38960, 43904, 47726, 54544, 54880, 62336, 62720, 68180, 77920, 87808, 95452, 109088, 109760, 119315, 124672, 136360, 155840, 167041, 190904, 218176, 219520, 238630, 272720, 311680, 334082, 381808, 436352, 439040, 477260, 545440, 623360, 668164, 763616, 835205, 872704, 954520, 1090880, 1336328, 1527232, 1670410, 1909040, 2181760, 2672656, 3054464, 3340820, 3818080, 4363520, 5345312, 6108928, 6681640, 7636160, 10690624, 13363280, 15272320, 21381248, 26726560, 30544640, 42762496, 53453120, 106906240, 213812480]

約数ペア:

[(1, 213812480), (2, 106906240), (4, 53453120), (5, 42762496), (7, 30544640), (8, 26726560), (10, 21381248), (14, 15272320), (16, 13363280), (20, 10690624), (28, 7636160), (32, 6681640), (35, 6108928), (40, 5345312), (49, 4363520), (56, 3818080), (64, 3340820), (70, 3054464), (80, 2672656), (98, 2181760), (112, 1909040), (128, 1670410), (140, 1527232), (160, 1336328), (196, 1090880), (224, 954520), (245, 872704), (256, 835205), (280, 763616), (320, 668164), (343, 623360), (392, 545440), (448, 477260), (487, 439040), (490, 436352), (560, 381808), (640, 334082), (686, 311680), (784, 272720), (896, 238630), (974, 219520), (980, 218176), (1120, 190904), (1280, 167041), (1372, 155840), (1568, 136360), (1715, 124672), (1792, 119315), (1948, 109760), (1960, 109088), (2240, 95452), (2435, 87808), (2744, 77920), (3136, 68180), (3409, 62720), (3430, 62336), (3896, 54880), (3920, 54544), (4480, 47726), (4870, 43904), (5488, 38960), (6272, 34090), (6818, 31360), (6860, 31168), (7792, 27440), (7840, 27272), (8960, 23863), (9740, 21952), (10976, 19480), (12544, 17045), (13636, 15680), (13720, 15584)]