31493000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1$

素因数の和:448

約数の個数: 128

約数和(自身を含む): 92102400

約数和(自身を除く): 60609400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 88, 100, 110, 125, 140, 154, 175, 200, 220, 250, 275, 280, 308, 350, 385, 409, 440, 500, 550, 616, 700, 770, 818, 875, 1000, 1100, 1375, 1400, 1540, 1636, 1750, 1925, 2045, 2200, 2750, 2863, 3080, 3272, 3500, 3850, 4090, 4499, 5500, 5726, 7000, 7700, 8180, 8998, 9625, 10225, 11000, 11452, 14315, 15400, 16360, 17996, 19250, 20450, 22495, 22904, 28630, 31493, 35992, 38500, 40900, 44990, 51125, 57260, 62986, 71575, 77000, 81800, 89980, 102250, 112475, 114520, 125972, 143150, 157465, 179960, 204500, 224950, 251944, 286300, 314930, 357875, 409000, 449900, 562375, 572600, 629860, 715750, 787325, 899800, 1124750, 1259720, 1431500, 1574650, 2249500, 2863000, 3149300, 3936625, 4499000, 6298600, 7873250, 15746500, 31493000]

約数ペア:

[(1, 31493000), (2, 15746500), (4, 7873250), (5, 6298600), (7, 4499000), (8, 3936625), (10, 3149300), (11, 2863000), (14, 2249500), (20, 1574650), (22, 1431500), (25, 1259720), (28, 1124750), (35, 899800), (40, 787325), (44, 715750), (50, 629860), (55, 572600), (56, 562375), (70, 449900), (77, 409000), (88, 357875), (100, 314930), (110, 286300), (125, 251944), (140, 224950), (154, 204500), (175, 179960), (200, 157465), (220, 143150), (250, 125972), (275, 114520), (280, 112475), (308, 102250), (350, 89980), (385, 81800), (409, 77000), (440, 71575), (500, 62986), (550, 57260), (616, 51125), (700, 44990), (770, 40900), (818, 38500), (875, 35992), (1000, 31493), (1100, 28630), (1375, 22904), (1400, 22495), (1540, 20450), (1636, 19250), (1750, 17996), (1925, 16360), (2045, 15400), (2200, 14315), (2750, 11452), (2863, 11000), (3080, 10225), (3272, 9625), (3500, 8998), (3850, 8180), (4090, 7700), (4499, 7000), (5500, 5726)]