204518484

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1777}}^1$

素因数の和:1949

約数の個数: 72

約数和(自身を含む): 543641280

約数和(自身を除く): 339122796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 139, 207, 276, 278, 414, 417, 556, 828, 834, 1251, 1668, 1777, 2502, 3197, 3554, 5004, 5331, 6394, 7108, 9591, 10662, 12788, 15993, 19182, 21324, 28773, 31986, 38364, 40871, 57546, 63972, 81742, 115092, 122613, 163484, 245226, 247003, 367839, 490452, 494006, 735678, 741009, 988012, 1471356, 1482018, 2223027, 2964036, 4446054, 5681069, 8892108, 11362138, 17043207, 22724276, 34086414, 51129621, 68172828, 102259242, 204518484]

約数ペア:

[(1, 204518484), (2, 102259242), (3, 68172828), (4, 51129621), (6, 34086414), (9, 22724276), (12, 17043207), (18, 11362138), (23, 8892108), (36, 5681069), (46, 4446054), (69, 2964036), (92, 2223027), (138, 1482018), (139, 1471356), (207, 988012), (276, 741009), (278, 735678), (414, 494006), (417, 490452), (556, 367839), (828, 247003), (834, 245226), (1251, 163484), (1668, 122613), (1777, 115092), (2502, 81742), (3197, 63972), (3554, 57546), (5004, 40871), (5331, 38364), (6394, 31986), (7108, 28773), (9591, 21324), (10662, 19182), (12788, 15993)]