Numbers m with deficiency 90: sigma(m) - 2*m = -90.
A389702
Numbers m with deficiency 90: sigma(m) - 2*m = -90.
Terms
- a(0) =141a(1) =285a(2) =388a(3) =1485a(4) =9405a(5) =40365a(6) =153856a(7) =730125a(8) =2188288a(9) =16286445a(10) =21003885a(11) =46949805a(12) =594397485a(13) =945285165a(14) =29169504045a(15) =40833636525a(16) =724387847085a(17) =740099543085
External references
- oeis: A389702