209000000

素因数分解:

$2^6\times 5^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:72

約数の個数: 196

約数和(自身を含む): 595304880

約数和(自身を除く): 386304880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 32, 38, 40, 44, 50, 55, 64, 76, 80, 88, 95, 100, 110, 125, 152, 160, 176, 190, 200, 209, 220, 250, 275, 304, 320, 352, 380, 400, 418, 440, 475, 500, 550, 608, 625, 704, 760, 800, 836, 880, 950, 1000, 1045, 1100, 1216, 1250, 1375, 1520, 1600, 1672, 1760, 1900, 2000, 2090, 2200, 2375, 2500, 2750, 3040, 3125, 3344, 3520, 3800, 4000, 4180, 4400, 4750, 5000, 5225, 5500, 6080, 6250, 6688, 6875, 7600, 8000, 8360, 8800, 9500, 10000, 10450, 11000, 11875, 12500, 13376, 13750, 15200, 15625, 16720, 17600, 19000, 20000, 20900, 22000, 23750, 25000, 26125, 27500, 30400, 31250, 33440, 34375, 38000, 40000, 41800, 44000, 47500, 50000, 52250, 55000, 59375, 62500, 66880, 68750, 76000, 83600, 88000, 95000, 100000, 104500, 110000, 118750, 125000, 130625, 137500, 152000, 167200, 171875, 190000, 200000, 209000, 220000, 237500, 250000, 261250, 275000, 296875, 334400, 343750, 380000, 418000, 440000, 475000, 500000, 522500, 550000, 593750, 653125, 687500, 760000, 836000, 950000, 1000000, 1045000, 1100000, 1187500, 1306250, 1375000, 1672000, 1900000, 2090000, 2200000, 2375000, 2612500, 2750000, 3265625, 3800000, 4180000, 4750000, 5225000, 5500000, 6531250, 8360000, 9500000, 10450000, 11000000, 13062500, 19000000, 20900000, 26125000, 41800000, 52250000, 104500000, 209000000]

約数ペア:

[(1, 209000000), (2, 104500000), (4, 52250000), (5, 41800000), (8, 26125000), (10, 20900000), (11, 19000000), (16, 13062500), (19, 11000000), (20, 10450000), (22, 9500000), (25, 8360000), (32, 6531250), (38, 5500000), (40, 5225000), (44, 4750000), (50, 4180000), (55, 3800000), (64, 3265625), (76, 2750000), (80, 2612500), (88, 2375000), (95, 2200000), (100, 2090000), (110, 1900000), (125, 1672000), (152, 1375000), (160, 1306250), (176, 1187500), (190, 1100000), (200, 1045000), (209, 1000000), (220, 950000), (250, 836000), (275, 760000), (304, 687500), (320, 653125), (352, 593750), (380, 550000), (400, 522500), (418, 500000), (440, 475000), (475, 440000), (500, 418000), (550, 380000), (608, 343750), (625, 334400), (704, 296875), (760, 275000), (800, 261250), (836, 250000), (880, 237500), (950, 220000), (1000, 209000), (1045, 200000), (1100, 190000), (1216, 171875), (1250, 167200), (1375, 152000), (1520, 137500), (1600, 130625), (1672, 125000), (1760, 118750), (1900, 110000), (2000, 104500), (2090, 100000), (2200, 95000), (2375, 88000), (2500, 83600), (2750, 76000), (3040, 68750), (3125, 66880), (3344, 62500), (3520, 59375), (3800, 55000), (4000, 52250), (4180, 50000), (4400, 47500), (4750, 44000), (5000, 41800), (5225, 40000), (5500, 38000), (6080, 34375), (6250, 33440), (6688, 31250), (6875, 30400), (7600, 27500), (8000, 26125), (8360, 25000), (8800, 23750), (9500, 22000), (10000, 20900), (10450, 20000), (11000, 19000), (11875, 17600), (12500, 16720), (13376, 15625), (13750, 15200)]