The factors of the number 511,776,540 are: 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 43, 44, 45, 55, 60, 66, 86, 90, 99, 110, 129, 132, 165, 172, 180, 198, 215, 220, 258, 330, 387, 396, 430, 473, 495, 516, 645, 660, 774, 860, 946, 990, 1290, 1419, 1548, 1892, 1935, 1980, 2365, 2580, 2838, 3870, 4257, 4730, 5676, 6011, 7095, 7740, 8514, 9460, 12022, 14190, 17028, 18033, 21285, 24044, 28380, 30055, 36066, 42570, 54099, 60110, 66121, 72132, 85140, 90165, 108198, 120220, 132242, 180330, 198363, 216396, 258473, 264484, 270495, 330605, 360660, 396726, 516946, 540990, 595089, 661210, 775419, 793452, 991815, 1033892, 1081980, 1190178, 1292365, 1322420, 1550838, 1983630, 2326257, 2380356, 2584730, 2843203, 2975445, 3101676, 3877095, 3967260, 4652514, 5169460, 5686406, 5950890, 7754190, 8529609, 9305028, 11372812, 11631285, 11901780, 14216015, 15508380, 17059218, 23262570, 25588827, 28432030, 34118436, 42648045, 46525140, 51177654, 56864060, 85296090, 102355308, 127944135, 170592180, 255888270, 511776540.
If you add them up, you will get the total of 511,776,541. Now subtract 511,776,540 to get 1,221,410,916