1210

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Number

$1210$ (one thousand, two hundred and ten) is:

$2 \times 5 \times 11^2$


The larger of the $2$nd amicable pair, with $1184$:
$\map {\sigma_1} {1184} = \map {\sigma_1} {1210} = 2394 = 1184 + 1210$


Arithmetic Functions on $1210$

\(\ds \map {\sigma_1} { 1210 }\) \(=\) \(\ds 2394\) $\sigma_1$ of $1210$


Also see


Sources

  • 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $1210$
  • 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $1210$
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