211750000

素因数分解:

$2^4\times 5^6\times 7^1\times {\mathrm{11}}^2$

素因数の和:67

約数の個数: 210

約数和(自身を含む): 644210504

約数和(自身を除く): 432460504

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 80, 88, 100, 110, 112, 121, 125, 140, 154, 175, 176, 200, 220, 242, 250, 275, 280, 308, 350, 385, 400, 440, 484, 500, 550, 560, 605, 616, 625, 700, 770, 847, 875, 880, 968, 1000, 1100, 1210, 1232, 1250, 1375, 1400, 1540, 1694, 1750, 1925, 1936, 2000, 2200, 2420, 2500, 2750, 2800, 3025, 3080, 3125, 3388, 3500, 3850, 4235, 4375, 4400, 4840, 5000, 5500, 6050, 6160, 6250, 6776, 6875, 7000, 7700, 8470, 8750, 9625, 9680, 10000, 11000, 12100, 12500, 13552, 13750, 14000, 15125, 15400, 15625, 16940, 17500, 19250, 21175, 21875, 22000, 24200, 25000, 27500, 30250, 30800, 31250, 33880, 34375, 35000, 38500, 42350, 43750, 48125, 48400, 50000, 55000, 60500, 62500, 67760, 68750, 70000, 75625, 77000, 84700, 87500, 96250, 105875, 109375, 110000, 121000, 125000, 137500, 151250, 154000, 169400, 171875, 175000, 192500, 211750, 218750, 240625, 242000, 250000, 275000, 302500, 338800, 343750, 350000, 378125, 385000, 423500, 437500, 481250, 529375, 550000, 605000, 687500, 756250, 770000, 847000, 875000, 962500, 1058750, 1203125, 1210000, 1375000, 1512500, 1694000, 1750000, 1890625, 1925000, 2117500, 2406250, 2646875, 2750000, 3025000, 3781250, 3850000, 4235000, 4812500, 5293750, 6050000, 7562500, 8470000, 9625000, 10587500, 13234375, 15125000, 19250000, 21175000, 26468750, 30250000, 42350000, 52937500, 105875000, 211750000]

約数ペア:

[(1, 211750000), (2, 105875000), (4, 52937500), (5, 42350000), (7, 30250000), (8, 26468750), (10, 21175000), (11, 19250000), (14, 15125000), (16, 13234375), (20, 10587500), (22, 9625000), (25, 8470000), (28, 7562500), (35, 6050000), (40, 5293750), (44, 4812500), (50, 4235000), (55, 3850000), (56, 3781250), (70, 3025000), (77, 2750000), (80, 2646875), (88, 2406250), (100, 2117500), (110, 1925000), (112, 1890625), (121, 1750000), (125, 1694000), (140, 1512500), (154, 1375000), (175, 1210000), (176, 1203125), (200, 1058750), (220, 962500), (242, 875000), (250, 847000), (275, 770000), (280, 756250), (308, 687500), (350, 605000), (385, 550000), (400, 529375), (440, 481250), (484, 437500), (500, 423500), (550, 385000), (560, 378125), (605, 350000), (616, 343750), (625, 338800), (700, 302500), (770, 275000), (847, 250000), (875, 242000), (880, 240625), (968, 218750), (1000, 211750), (1100, 192500), (1210, 175000), (1232, 171875), (1250, 169400), (1375, 154000), (1400, 151250), (1540, 137500), (1694, 125000), (1750, 121000), (1925, 110000), (1936, 109375), (2000, 105875), (2200, 96250), (2420, 87500), (2500, 84700), (2750, 77000), (2800, 75625), (3025, 70000), (3080, 68750), (3125, 67760), (3388, 62500), (3500, 60500), (3850, 55000), (4235, 50000), (4375, 48400), (4400, 48125), (4840, 43750), (5000, 42350), (5500, 38500), (6050, 35000), (6160, 34375), (6250, 33880), (6776, 31250), (6875, 30800), (7000, 30250), (7700, 27500), (8470, 25000), (8750, 24200), (9625, 22000), (9680, 21875), (10000, 21175), (11000, 19250), (12100, 17500), (12500, 16940), (13552, 15625), (13750, 15400), (14000, 15125)]