81250400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1319}}^1$

素因数の和:1357

約数の個数: 144

約数和(自身を含む): 247484160

約数和(自身を除く): 166233760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 50, 55, 56, 70, 77, 80, 88, 100, 110, 112, 140, 154, 160, 175, 176, 200, 220, 224, 275, 280, 308, 350, 352, 385, 400, 440, 550, 560, 616, 700, 770, 800, 880, 1100, 1120, 1232, 1319, 1400, 1540, 1760, 1925, 2200, 2464, 2638, 2800, 3080, 3850, 4400, 5276, 5600, 6160, 6595, 7700, 8800, 9233, 10552, 12320, 13190, 14509, 15400, 18466, 21104, 26380, 29018, 30800, 32975, 36932, 42208, 46165, 52760, 58036, 61600, 65950, 72545, 73864, 92330, 101563, 105520, 116072, 131900, 145090, 147728, 184660, 203126, 211040, 230825, 232144, 263800, 290180, 295456, 362725, 369320, 406252, 461650, 464288, 507815, 527600, 580360, 725450, 738640, 812504, 923300, 1015630, 1055200, 1160720, 1450900, 1477280, 1625008, 1846600, 2031260, 2321440, 2539075, 2901800, 3250016, 3693200, 4062520, 5078150, 5803600, 7386400, 8125040, 10156300, 11607200, 16250080, 20312600, 40625200, 81250400]

約数ペア:

[(1, 81250400), (2, 40625200), (4, 20312600), (5, 16250080), (7, 11607200), (8, 10156300), (10, 8125040), (11, 7386400), (14, 5803600), (16, 5078150), (20, 4062520), (22, 3693200), (25, 3250016), (28, 2901800), (32, 2539075), (35, 2321440), (40, 2031260), (44, 1846600), (50, 1625008), (55, 1477280), (56, 1450900), (70, 1160720), (77, 1055200), (80, 1015630), (88, 923300), (100, 812504), (110, 738640), (112, 725450), (140, 580360), (154, 527600), (160, 507815), (175, 464288), (176, 461650), (200, 406252), (220, 369320), (224, 362725), (275, 295456), (280, 290180), (308, 263800), (350, 232144), (352, 230825), (385, 211040), (400, 203126), (440, 184660), (550, 147728), (560, 145090), (616, 131900), (700, 116072), (770, 105520), (800, 101563), (880, 92330), (1100, 73864), (1120, 72545), (1232, 65950), (1319, 61600), (1400, 58036), (1540, 52760), (1760, 46165), (1925, 42208), (2200, 36932), (2464, 32975), (2638, 30800), (2800, 29018), (3080, 26380), (3850, 21104), (4400, 18466), (5276, 15400), (5600, 14509), (6160, 13190), (6595, 12320), (7700, 10552), (8800, 9233)]