201728000

素因数分解:

$2^{13}\times 5^3\times {\mathrm{197}}^1$

素因数の和:238

約数の個数: 112

約数和(自身を含む): 506038104

約数和(自身を除く): 304310104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 197, 200, 250, 256, 320, 394, 400, 500, 512, 640, 788, 800, 985, 1000, 1024, 1280, 1576, 1600, 1970, 2000, 2048, 2560, 3152, 3200, 3940, 4000, 4096, 4925, 5120, 6304, 6400, 7880, 8000, 8192, 9850, 10240, 12608, 12800, 15760, 16000, 19700, 20480, 24625, 25216, 25600, 31520, 32000, 39400, 40960, 49250, 50432, 51200, 63040, 64000, 78800, 98500, 100864, 102400, 126080, 128000, 157600, 197000, 201728, 204800, 252160, 256000, 315200, 394000, 403456, 504320, 512000, 630400, 788000, 806912, 1008640, 1024000, 1260800, 1576000, 1613824, 2017280, 2521600, 3152000, 4034560, 5043200, 6304000, 8069120, 10086400, 12608000, 20172800, 25216000, 40345600, 50432000, 100864000, 201728000]

約数ペア:

[(1, 201728000), (2, 100864000), (4, 50432000), (5, 40345600), (8, 25216000), (10, 20172800), (16, 12608000), (20, 10086400), (25, 8069120), (32, 6304000), (40, 5043200), (50, 4034560), (64, 3152000), (80, 2521600), (100, 2017280), (125, 1613824), (128, 1576000), (160, 1260800), (197, 1024000), (200, 1008640), (250, 806912), (256, 788000), (320, 630400), (394, 512000), (400, 504320), (500, 403456), (512, 394000), (640, 315200), (788, 256000), (800, 252160), (985, 204800), (1000, 201728), (1024, 197000), (1280, 157600), (1576, 128000), (1600, 126080), (1970, 102400), (2000, 100864), (2048, 98500), (2560, 78800), (3152, 64000), (3200, 63040), (3940, 51200), (4000, 50432), (4096, 49250), (4925, 40960), (5120, 39400), (6304, 32000), (6400, 31520), (7880, 25600), (8000, 25216), (8192, 24625), (9850, 20480), (10240, 19700), (12608, 16000), (12800, 15760)]