203480960

素因数分解:

$2^7\times 5^1\times {\mathrm{349}}^1\times {\mathrm{911}}^1$

素因数の和:1279

約数の個数: 64

約数和(自身を含む): 488376000

約数和(自身を除く): 284895040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 349, 640, 698, 911, 1396, 1745, 1822, 2792, 3490, 3644, 4555, 5584, 6980, 7288, 9110, 11168, 13960, 14576, 18220, 22336, 27920, 29152, 36440, 44672, 55840, 58304, 72880, 111680, 116608, 145760, 223360, 291520, 317939, 583040, 635878, 1271756, 1589695, 2543512, 3179390, 5087024, 6358780, 10174048, 12717560, 20348096, 25435120, 40696192, 50870240, 101740480, 203480960]

約数ペア:

[(1, 203480960), (2, 101740480), (4, 50870240), (5, 40696192), (8, 25435120), (10, 20348096), (16, 12717560), (20, 10174048), (32, 6358780), (40, 5087024), (64, 3179390), (80, 2543512), (128, 1589695), (160, 1271756), (320, 635878), (349, 583040), (640, 317939), (698, 291520), (911, 223360), (1396, 145760), (1745, 116608), (1822, 111680), (2792, 72880), (3490, 58304), (3644, 55840), (4555, 44672), (5584, 36440), (6980, 29152), (7288, 27920), (9110, 22336), (11168, 18220), (13960, 14576)]