399710080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8111}}^1$

素因数の和:8148

約数の個数: 128

約数和(自身を含む): 1191490560

約数和(自身を除く): 791780480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1408, 1540, 1760, 2240, 2464, 3080, 3520, 4480, 4928, 6160, 7040, 8111, 9856, 12320, 16222, 24640, 32444, 40555, 49280, 56777, 64888, 81110, 89221, 113554, 129776, 162220, 178442, 227108, 259552, 283885, 324440, 356884, 446105, 454216, 519104, 567770, 624547, 648880, 713768, 892210, 908432, 1038208, 1135540, 1249094, 1297760, 1427536, 1784420, 1816864, 2271080, 2498188, 2595520, 2855072, 3122735, 3568840, 3633728, 4542160, 4996376, 5191040, 5710144, 6245470, 7137680, 7267456, 9084320, 9992752, 11420288, 12490940, 14275360, 18168640, 19985504, 24981880, 28550720, 36337280, 39971008, 49963760, 57101440, 79942016, 99927520, 199855040, 399710080]

約数ペア:

[(1, 399710080), (2, 199855040), (4, 99927520), (5, 79942016), (7, 57101440), (8, 49963760), (10, 39971008), (11, 36337280), (14, 28550720), (16, 24981880), (20, 19985504), (22, 18168640), (28, 14275360), (32, 12490940), (35, 11420288), (40, 9992752), (44, 9084320), (55, 7267456), (56, 7137680), (64, 6245470), (70, 5710144), (77, 5191040), (80, 4996376), (88, 4542160), (110, 3633728), (112, 3568840), (128, 3122735), (140, 2855072), (154, 2595520), (160, 2498188), (176, 2271080), (220, 1816864), (224, 1784420), (280, 1427536), (308, 1297760), (320, 1249094), (352, 1135540), (385, 1038208), (440, 908432), (448, 892210), (560, 713768), (616, 648880), (640, 624547), (704, 567770), (770, 519104), (880, 454216), (896, 446105), (1120, 356884), (1232, 324440), (1408, 283885), (1540, 259552), (1760, 227108), (2240, 178442), (2464, 162220), (3080, 129776), (3520, 113554), (4480, 89221), (4928, 81110), (6160, 64888), (7040, 56777), (8111, 49280), (9856, 40555), (12320, 32444), (16222, 24640)]