201781360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{467}}^1\times {\mathrm{491}}^1$

素因数の和:982

約数の個数: 80

約数和(自身を含む): 513931392

約数和(自身を除く): 312150032

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 467, 491, 880, 934, 982, 1868, 1964, 2335, 2455, 3736, 3928, 4670, 4910, 5137, 5401, 7472, 7856, 9340, 9820, 10274, 10802, 18680, 19640, 20548, 21604, 25685, 27005, 37360, 39280, 41096, 43208, 51370, 54010, 82192, 86416, 102740, 108020, 205480, 216040, 229297, 410960, 432080, 458594, 917188, 1146485, 1834376, 2292970, 2522267, 3668752, 4585940, 5044534, 9171880, 10089068, 12611335, 18343760, 20178136, 25222670, 40356272, 50445340, 100890680, 201781360]

約数ペア:

[(1, 201781360), (2, 100890680), (4, 50445340), (5, 40356272), (8, 25222670), (10, 20178136), (11, 18343760), (16, 12611335), (20, 10089068), (22, 9171880), (40, 5044534), (44, 4585940), (55, 3668752), (80, 2522267), (88, 2292970), (110, 1834376), (176, 1146485), (220, 917188), (440, 458594), (467, 432080), (491, 410960), (880, 229297), (934, 216040), (982, 205480), (1868, 108020), (1964, 102740), (2335, 86416), (2455, 82192), (3736, 54010), (3928, 51370), (4670, 43208), (4910, 41096), (5137, 39280), (5401, 37360), (7472, 27005), (7856, 25685), (9340, 21604), (9820, 20548), (10274, 19640), (10802, 18680)]