251497008

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{109}}^2$

素因数の和:249

約数の個数: 180

約数和(自身を含む): 847523880

約数和(自身を除く): 596026872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 84, 98, 108, 109, 112, 126, 144, 147, 168, 189, 196, 216, 218, 252, 294, 327, 336, 378, 392, 432, 436, 441, 504, 588, 654, 756, 763, 784, 872, 882, 981, 1008, 1176, 1308, 1323, 1512, 1526, 1744, 1764, 1962, 2289, 2352, 2616, 2646, 2943, 3024, 3052, 3528, 3924, 4578, 5232, 5292, 5341, 5886, 6104, 6867, 7056, 7848, 9156, 10584, 10682, 11772, 11881, 12208, 13734, 15696, 16023, 18312, 20601, 21168, 21364, 23544, 23762, 27468, 32046, 35643, 36624, 41202, 42728, 47088, 47524, 48069, 54936, 64092, 71286, 82404, 83167, 85456, 95048, 96138, 106929, 109872, 128184, 142572, 144207, 164808, 166334, 190096, 192276, 213858, 249501, 256368, 285144, 288414, 320787, 329616, 332668, 384552, 427716, 499002, 570288, 576828, 582169, 641574, 665336, 748503, 769104, 855432, 998004, 1153656, 1164338, 1283148, 1330672, 1497006, 1710864, 1746507, 1996008, 2245509, 2307312, 2328676, 2566296, 2994012, 3493014, 3992016, 4491018, 4657352, 5132592, 5239521, 5988024, 6986028, 8982036, 9314704, 10479042, 11976048, 13972056, 15718563, 17964072, 20958084, 27944112, 31437126, 35928144, 41916168, 62874252, 83832336, 125748504, 251497008]

約数ペア:

[(1, 251497008), (2, 125748504), (3, 83832336), (4, 62874252), (6, 41916168), (7, 35928144), (8, 31437126), (9, 27944112), (12, 20958084), (14, 17964072), (16, 15718563), (18, 13972056), (21, 11976048), (24, 10479042), (27, 9314704), (28, 8982036), (36, 6986028), (42, 5988024), (48, 5239521), (49, 5132592), (54, 4657352), (56, 4491018), (63, 3992016), (72, 3493014), (84, 2994012), (98, 2566296), (108, 2328676), (109, 2307312), (112, 2245509), (126, 1996008), (144, 1746507), (147, 1710864), (168, 1497006), (189, 1330672), (196, 1283148), (216, 1164338), (218, 1153656), (252, 998004), (294, 855432), (327, 769104), (336, 748503), (378, 665336), (392, 641574), (432, 582169), (436, 576828), (441, 570288), (504, 499002), (588, 427716), (654, 384552), (756, 332668), (763, 329616), (784, 320787), (872, 288414), (882, 285144), (981, 256368), (1008, 249501), (1176, 213858), (1308, 192276), (1323, 190096), (1512, 166334), (1526, 164808), (1744, 144207), (1764, 142572), (1962, 128184), (2289, 109872), (2352, 106929), (2616, 96138), (2646, 95048), (2943, 85456), (3024, 83167), (3052, 82404), (3528, 71286), (3924, 64092), (4578, 54936), (5232, 48069), (5292, 47524), (5341, 47088), (5886, 42728), (6104, 41202), (6867, 36624), (7056, 35643), (7848, 32046), (9156, 27468), (10584, 23762), (10682, 23544), (11772, 21364), (11881, 21168), (12208, 20601), (13734, 18312), (15696, 16023)]