245519120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{39857}}^1$

素因数の和:39888

約数の個数: 80

約数和(自身を含む): 711704448

約数和(自身を除く): 466185328

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 39857, 79714, 159428, 199285, 278999, 318856, 398570, 438427, 557998, 637712, 797140, 876854, 1115996, 1394995, 1594280, 1753708, 2192135, 2231992, 2789990, 3068989, 3188560, 3507416, 4384270, 4463984, 5579980, 6137978, 7014832, 8768540, 11159960, 12275956, 15344945, 17537080, 22319920, 24551912, 30689890, 35074160, 49103824, 61379780, 122759560, 245519120]

約数ペア:

[(1, 245519120), (2, 122759560), (4, 61379780), (5, 49103824), (7, 35074160), (8, 30689890), (10, 24551912), (11, 22319920), (14, 17537080), (16, 15344945), (20, 12275956), (22, 11159960), (28, 8768540), (35, 7014832), (40, 6137978), (44, 5579980), (55, 4463984), (56, 4384270), (70, 3507416), (77, 3188560), (80, 3068989), (88, 2789990), (110, 2231992), (112, 2192135), (140, 1753708), (154, 1594280), (176, 1394995), (220, 1115996), (280, 876854), (308, 797140), (385, 637712), (440, 557998), (560, 438427), (616, 398570), (770, 318856), (880, 278999), (1232, 199285), (1540, 159428), (3080, 79714), (6160, 39857)]