19250000

素因数分解:

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

素因数の和:56

約数の個数: 140

約数和(自身を含む): 58124256

約数和(自身を除く): 38874256

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, 125, 140, 154, 175, 176, 200, 220, 250, 275, 280, 308, 350, 385, 400, 440, 500, 550, 560, 616, 625, 700, 770, 875, 880, 1000, 1100, 1232, 1250, 1375, 1400, 1540, 1750, 1925, 2000, 2200, 2500, 2750, 2800, 3080, 3125, 3500, 3850, 4375, 4400, 5000, 5500, 6160, 6250, 6875, 7000, 7700, 8750, 9625, 10000, 11000, 12500, 13750, 14000, 15400, 15625, 17500, 19250, 21875, 22000, 25000, 27500, 30800, 31250, 34375, 35000, 38500, 43750, 48125, 50000, 55000, 62500, 68750, 70000, 77000, 87500, 96250, 109375, 110000, 125000, 137500, 154000, 171875, 175000, 192500, 218750, 240625, 250000, 275000, 343750, 350000, 385000, 437500, 481250, 550000, 687500, 770000, 875000, 962500, 1203125, 1375000, 1750000, 1925000, 2406250, 2750000, 3850000, 4812500, 9625000, 19250000]

約数ペア:

[(1, 19250000), (2, 9625000), (4, 4812500), (5, 3850000), (7, 2750000), (8, 2406250), (10, 1925000), (11, 1750000), (14, 1375000), (16, 1203125), (20, 962500), (22, 875000), (25, 770000), (28, 687500), (35, 550000), (40, 481250), (44, 437500), (50, 385000), (55, 350000), (56, 343750), (70, 275000), (77, 250000), (80, 240625), (88, 218750), (100, 192500), (110, 175000), (112, 171875), (125, 154000), (140, 137500), (154, 125000), (175, 110000), (176, 109375), (200, 96250), (220, 87500), (250, 77000), (275, 70000), (280, 68750), (308, 62500), (350, 55000), (385, 50000), (400, 48125), (440, 43750), (500, 38500), (550, 35000), (560, 34375), (616, 31250), (625, 30800), (700, 27500), (770, 25000), (875, 22000), (880, 21875), (1000, 19250), (1100, 17500), (1232, 15625), (1250, 15400), (1375, 14000), (1400, 13750), (1540, 12500), (1750, 11000), (1925, 10000), (2000, 9625), (2200, 8750), (2500, 7700), (2750, 7000), (2800, 6875), (3080, 6250), (3125, 6160), (3500, 5500), (3850, 5000), (4375, 4400)]