250459520

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:560

約数の個数: 128

約数和(自身を含む): 646272000

約数和(自身を除く): 395812480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 64, 76, 80, 86, 95, 128, 152, 160, 172, 190, 215, 304, 320, 344, 380, 430, 479, 608, 640, 688, 760, 817, 860, 958, 1216, 1376, 1520, 1634, 1720, 1916, 2395, 2432, 2752, 3040, 3268, 3440, 3832, 4085, 4790, 5504, 6080, 6536, 6880, 7664, 8170, 9101, 9580, 12160, 13072, 13760, 15328, 16340, 18202, 19160, 20597, 26144, 27520, 30656, 32680, 36404, 38320, 41194, 45505, 52288, 61312, 65360, 72808, 76640, 82388, 91010, 102985, 104576, 130720, 145616, 153280, 164776, 182020, 205970, 261440, 291232, 306560, 329552, 364040, 391343, 411940, 522880, 582464, 659104, 728080, 782686, 823880, 1164928, 1318208, 1456160, 1565372, 1647760, 1956715, 2636416, 2912320, 3130744, 3295520, 3913430, 5824640, 6261488, 6591040, 7826860, 12522976, 13182080, 15653720, 25045952, 31307440, 50091904, 62614880, 125229760, 250459520]

約数ペア:

[(1, 250459520), (2, 125229760), (4, 62614880), (5, 50091904), (8, 31307440), (10, 25045952), (16, 15653720), (19, 13182080), (20, 12522976), (32, 7826860), (38, 6591040), (40, 6261488), (43, 5824640), (64, 3913430), (76, 3295520), (80, 3130744), (86, 2912320), (95, 2636416), (128, 1956715), (152, 1647760), (160, 1565372), (172, 1456160), (190, 1318208), (215, 1164928), (304, 823880), (320, 782686), (344, 728080), (380, 659104), (430, 582464), (479, 522880), (608, 411940), (640, 391343), (688, 364040), (760, 329552), (817, 306560), (860, 291232), (958, 261440), (1216, 205970), (1376, 182020), (1520, 164776), (1634, 153280), (1720, 145616), (1916, 130720), (2395, 104576), (2432, 102985), (2752, 91010), (3040, 82388), (3268, 76640), (3440, 72808), (3832, 65360), (4085, 61312), (4790, 52288), (5504, 45505), (6080, 41194), (6536, 38320), (6880, 36404), (7664, 32680), (8170, 30656), (9101, 27520), (9580, 26144), (12160, 20597), (13072, 19160), (13760, 18202), (15328, 16340)]