309947440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8191}}^1$

素因数の和:8258

約数の個数: 80

約数和(自身を含む): 804519936

約数和(自身を除く): 494572496

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1892, 2365, 3440, 3784, 4730, 7568, 8191, 9460, 16382, 18920, 32764, 37840, 40955, 65528, 81910, 90101, 131056, 163820, 180202, 327640, 352213, 360404, 450505, 655280, 704426, 720808, 901010, 1408852, 1441616, 1761065, 1802020, 2817704, 3522130, 3604040, 3874343, 5635408, 7044260, 7208080, 7748686, 14088520, 15497372, 19371715, 28177040, 30994744, 38743430, 61989488, 77486860, 154973720, 309947440]

約数ペア:

[(1, 309947440), (2, 154973720), (4, 77486860), (5, 61989488), (8, 38743430), (10, 30994744), (11, 28177040), (16, 19371715), (20, 15497372), (22, 14088520), (40, 7748686), (43, 7208080), (44, 7044260), (55, 5635408), (80, 3874343), (86, 3604040), (88, 3522130), (110, 2817704), (172, 1802020), (176, 1761065), (215, 1441616), (220, 1408852), (344, 901010), (430, 720808), (440, 704426), (473, 655280), (688, 450505), (860, 360404), (880, 352213), (946, 327640), (1720, 180202), (1892, 163820), (2365, 131056), (3440, 90101), (3784, 81910), (4730, 65528), (7568, 40955), (8191, 37840), (9460, 32764), (16382, 18920)]