389463040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 176

約数和(自身を含む): 1005158880

約数和(自身を除く): 615695840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 43, 58, 61, 64, 80, 86, 116, 122, 128, 145, 160, 172, 215, 232, 244, 256, 290, 305, 320, 344, 430, 464, 488, 512, 580, 610, 640, 688, 860, 928, 976, 1024, 1160, 1220, 1247, 1280, 1376, 1720, 1769, 1856, 1952, 2320, 2440, 2494, 2560, 2623, 2752, 3440, 3538, 3712, 3904, 4640, 4880, 4988, 5120, 5246, 5504, 6235, 6880, 7076, 7424, 7808, 8845, 9280, 9760, 9976, 10492, 11008, 12470, 13115, 13760, 14152, 14848, 15616, 17690, 18560, 19520, 19952, 20984, 22016, 24940, 26230, 27520, 28304, 29696, 31232, 35380, 37120, 39040, 39904, 41968, 44032, 49880, 52460, 55040, 56608, 62464, 70760, 74240, 76067, 78080, 79808, 83936, 99760, 104920, 110080, 113216, 141520, 148480, 152134, 156160, 159616, 167872, 199520, 209840, 220160, 226432, 283040, 304268, 312320, 319232, 335744, 380335, 399040, 419680, 452864, 566080, 608536, 638464, 671488, 760670, 798080, 839360, 905728, 1132160, 1217072, 1276928, 1342976, 1521340, 1596160, 1678720, 1811456, 2264320, 2434144, 2685952, 3042680, 3192320, 3357440, 4528640, 4868288, 6085360, 6384640, 6714880, 9057280, 9736576, 12170720, 13429760, 19473152, 24341440, 38946304, 48682880, 77892608, 97365760, 194731520, 389463040]

約数ペア:

[(1, 389463040), (2, 194731520), (4, 97365760), (5, 77892608), (8, 48682880), (10, 38946304), (16, 24341440), (20, 19473152), (29, 13429760), (32, 12170720), (40, 9736576), (43, 9057280), (58, 6714880), (61, 6384640), (64, 6085360), (80, 4868288), (86, 4528640), (116, 3357440), (122, 3192320), (128, 3042680), (145, 2685952), (160, 2434144), (172, 2264320), (215, 1811456), (232, 1678720), (244, 1596160), (256, 1521340), (290, 1342976), (305, 1276928), (320, 1217072), (344, 1132160), (430, 905728), (464, 839360), (488, 798080), (512, 760670), (580, 671488), (610, 638464), (640, 608536), (688, 566080), (860, 452864), (928, 419680), (976, 399040), (1024, 380335), (1160, 335744), (1220, 319232), (1247, 312320), (1280, 304268), (1376, 283040), (1720, 226432), (1769, 220160), (1856, 209840), (1952, 199520), (2320, 167872), (2440, 159616), (2494, 156160), (2560, 152134), (2623, 148480), (2752, 141520), (3440, 113216), (3538, 110080), (3712, 104920), (3904, 99760), (4640, 83936), (4880, 79808), (4988, 78080), (5120, 76067), (5246, 74240), (5504, 70760), (6235, 62464), (6880, 56608), (7076, 55040), (7424, 52460), (7808, 49880), (8845, 44032), (9280, 41968), (9760, 39904), (9976, 39040), (10492, 37120), (11008, 35380), (12470, 31232), (13115, 29696), (13760, 28304), (14152, 27520), (14848, 26230), (15616, 24940), (17690, 22016), (18560, 20984), (19520, 19952)]