86680000

素因数分解:

$2^6\times 5^4\times {\mathrm{11}}^1\times {\mathrm{197}}^1$

素因数の和:240

約数の個数: 140

約数和(自身を含む): 235668312

約数和(自身を除く): 148988312

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 125, 160, 176, 197, 200, 220, 250, 275, 320, 352, 394, 400, 440, 500, 550, 625, 704, 788, 800, 880, 985, 1000, 1100, 1250, 1375, 1576, 1600, 1760, 1970, 2000, 2167, 2200, 2500, 2750, 3152, 3520, 3940, 4000, 4334, 4400, 4925, 5000, 5500, 6304, 6875, 7880, 8000, 8668, 8800, 9850, 10000, 10835, 11000, 12608, 13750, 15760, 17336, 17600, 19700, 20000, 21670, 22000, 24625, 27500, 31520, 34672, 39400, 40000, 43340, 44000, 49250, 54175, 55000, 63040, 69344, 78800, 86680, 88000, 98500, 108350, 110000, 123125, 138688, 157600, 173360, 197000, 216700, 220000, 246250, 270875, 315200, 346720, 394000, 433400, 440000, 492500, 541750, 693440, 788000, 866800, 985000, 1083500, 1354375, 1576000, 1733600, 1970000, 2167000, 2708750, 3467200, 3940000, 4334000, 5417500, 7880000, 8668000, 10835000, 17336000, 21670000, 43340000, 86680000]

約数ペア:

[(1, 86680000), (2, 43340000), (4, 21670000), (5, 17336000), (8, 10835000), (10, 8668000), (11, 7880000), (16, 5417500), (20, 4334000), (22, 3940000), (25, 3467200), (32, 2708750), (40, 2167000), (44, 1970000), (50, 1733600), (55, 1576000), (64, 1354375), (80, 1083500), (88, 985000), (100, 866800), (110, 788000), (125, 693440), (160, 541750), (176, 492500), (197, 440000), (200, 433400), (220, 394000), (250, 346720), (275, 315200), (320, 270875), (352, 246250), (394, 220000), (400, 216700), (440, 197000), (500, 173360), (550, 157600), (625, 138688), (704, 123125), (788, 110000), (800, 108350), (880, 98500), (985, 88000), (1000, 86680), (1100, 78800), (1250, 69344), (1375, 63040), (1576, 55000), (1600, 54175), (1760, 49250), (1970, 44000), (2000, 43340), (2167, 40000), (2200, 39400), (2500, 34672), (2750, 31520), (3152, 27500), (3520, 24625), (3940, 22000), (4000, 21670), (4334, 20000), (4400, 19700), (4925, 17600), (5000, 17336), (5500, 15760), (6304, 13750), (6875, 12608), (7880, 11000), (8000, 10835), (8668, 10000), (8800, 9850)]