220451000

素因数分解:

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

素因数の和:455

約数の個数: 192

約数和(自身を含む): 656229600

約数和(自身を除く): 435778600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 49, 50, 55, 56, 70, 77, 88, 98, 100, 110, 125, 140, 154, 175, 196, 200, 220, 245, 250, 275, 280, 308, 350, 385, 392, 409, 440, 490, 500, 539, 550, 616, 700, 770, 818, 875, 980, 1000, 1078, 1100, 1225, 1375, 1400, 1540, 1636, 1750, 1925, 1960, 2045, 2156, 2200, 2450, 2695, 2750, 2863, 3080, 3272, 3500, 3850, 4090, 4312, 4499, 4900, 5390, 5500, 5726, 6125, 7000, 7700, 8180, 8998, 9625, 9800, 10225, 10780, 11000, 11452, 12250, 13475, 14315, 15400, 16360, 17996, 19250, 20041, 20450, 21560, 22495, 22904, 24500, 26950, 28630, 31493, 35992, 38500, 40082, 40900, 44990, 49000, 51125, 53900, 57260, 62986, 67375, 71575, 77000, 80164, 81800, 89980, 100205, 102250, 107800, 112475, 114520, 125972, 134750, 143150, 157465, 160328, 179960, 200410, 204500, 220451, 224950, 251944, 269500, 286300, 314930, 357875, 400820, 409000, 440902, 449900, 501025, 539000, 562375, 572600, 629860, 715750, 787325, 801640, 881804, 899800, 1002050, 1102255, 1124750, 1259720, 1431500, 1574650, 1763608, 2004100, 2204510, 2249500, 2505125, 2863000, 3149300, 3936625, 4008200, 4409020, 4499000, 5010250, 5511275, 6298600, 7873250, 8818040, 10020500, 11022550, 15746500, 20041000, 22045100, 27556375, 31493000, 44090200, 55112750, 110225500, 220451000]

約数ペア:

[(1, 220451000), (2, 110225500), (4, 55112750), (5, 44090200), (7, 31493000), (8, 27556375), (10, 22045100), (11, 20041000), (14, 15746500), (20, 11022550), (22, 10020500), (25, 8818040), (28, 7873250), (35, 6298600), (40, 5511275), (44, 5010250), (49, 4499000), (50, 4409020), (55, 4008200), (56, 3936625), (70, 3149300), (77, 2863000), (88, 2505125), (98, 2249500), (100, 2204510), (110, 2004100), (125, 1763608), (140, 1574650), (154, 1431500), (175, 1259720), (196, 1124750), (200, 1102255), (220, 1002050), (245, 899800), (250, 881804), (275, 801640), (280, 787325), (308, 715750), (350, 629860), (385, 572600), (392, 562375), (409, 539000), (440, 501025), (490, 449900), (500, 440902), (539, 409000), (550, 400820), (616, 357875), (700, 314930), (770, 286300), (818, 269500), (875, 251944), (980, 224950), (1000, 220451), (1078, 204500), (1100, 200410), (1225, 179960), (1375, 160328), (1400, 157465), (1540, 143150), (1636, 134750), (1750, 125972), (1925, 114520), (1960, 112475), (2045, 107800), (2156, 102250), (2200, 100205), (2450, 89980), (2695, 81800), (2750, 80164), (2863, 77000), (3080, 71575), (3272, 67375), (3500, 62986), (3850, 57260), (4090, 53900), (4312, 51125), (4499, 49000), (4900, 44990), (5390, 40900), (5500, 40082), (5726, 38500), (6125, 35992), (7000, 31493), (7700, 28630), (8180, 26950), (8998, 24500), (9625, 22904), (9800, 22495), (10225, 21560), (10780, 20450), (11000, 20041), (11452, 19250), (12250, 17996), (13475, 16360), (14315, 15400)]