209091520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:530

約数の個数: 112

約数和(自身を含む): 547762176

約数和(自身を除く): 338670656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 191, 220, 311, 320, 352, 382, 440, 622, 704, 764, 880, 955, 1244, 1528, 1555, 1760, 1910, 2101, 2488, 3056, 3110, 3421, 3520, 3820, 4202, 4976, 6112, 6220, 6842, 7640, 8404, 9952, 10505, 12224, 12440, 13684, 15280, 16808, 17105, 19904, 21010, 24880, 27368, 30560, 33616, 34210, 42020, 49760, 54736, 59401, 61120, 67232, 68420, 84040, 99520, 109472, 118802, 134464, 136840, 168080, 218944, 237604, 273680, 297005, 336160, 475208, 547360, 594010, 653411, 672320, 950416, 1094720, 1188020, 1306822, 1900832, 2376040, 2613644, 3267055, 3801664, 4752080, 5227288, 6534110, 9504160, 10454576, 13068220, 19008320, 20909152, 26136440, 41818304, 52272880, 104545760, 209091520]

約数ペア:

[(1, 209091520), (2, 104545760), (4, 52272880), (5, 41818304), (8, 26136440), (10, 20909152), (11, 19008320), (16, 13068220), (20, 10454576), (22, 9504160), (32, 6534110), (40, 5227288), (44, 4752080), (55, 3801664), (64, 3267055), (80, 2613644), (88, 2376040), (110, 1900832), (160, 1306822), (176, 1188020), (191, 1094720), (220, 950416), (311, 672320), (320, 653411), (352, 594010), (382, 547360), (440, 475208), (622, 336160), (704, 297005), (764, 273680), (880, 237604), (955, 218944), (1244, 168080), (1528, 136840), (1555, 134464), (1760, 118802), (1910, 109472), (2101, 99520), (2488, 84040), (3056, 68420), (3110, 67232), (3421, 61120), (3520, 59401), (3820, 54736), (4202, 49760), (4976, 42020), (6112, 34210), (6220, 33616), (6842, 30560), (7640, 27368), (8404, 24880), (9952, 21010), (10505, 19904), (12224, 17105), (12440, 16808), (13684, 15280)]