399232000

素因数分解:

$2^{10}\times 5^3\times {\mathrm{3119}}^1$

素因数の和:3154

約数の個数: 88

約数和(自身を含む): 996315840

約数和(自身を除く): 597083840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 512, 640, 800, 1000, 1024, 1280, 1600, 2000, 2560, 3119, 3200, 4000, 5120, 6238, 6400, 8000, 12476, 12800, 15595, 16000, 24952, 25600, 31190, 32000, 49904, 62380, 64000, 77975, 99808, 124760, 128000, 155950, 199616, 249520, 311900, 389875, 399232, 499040, 623800, 779750, 798464, 998080, 1247600, 1559500, 1596928, 1996160, 2495200, 3119000, 3193856, 3992320, 4990400, 6238000, 7984640, 9980800, 12476000, 15969280, 19961600, 24952000, 39923200, 49904000, 79846400, 99808000, 199616000, 399232000]

約数ペア:

[(1, 399232000), (2, 199616000), (4, 99808000), (5, 79846400), (8, 49904000), (10, 39923200), (16, 24952000), (20, 19961600), (25, 15969280), (32, 12476000), (40, 9980800), (50, 7984640), (64, 6238000), (80, 4990400), (100, 3992320), (125, 3193856), (128, 3119000), (160, 2495200), (200, 1996160), (250, 1596928), (256, 1559500), (320, 1247600), (400, 998080), (500, 798464), (512, 779750), (640, 623800), (800, 499040), (1000, 399232), (1024, 389875), (1280, 311900), (1600, 249520), (2000, 199616), (2560, 155950), (3119, 128000), (3200, 124760), (4000, 99808), (5120, 77975), (6238, 64000), (6400, 62380), (8000, 49904), (12476, 32000), (12800, 31190), (15595, 25600), (16000, 24952)]