The factors of the number 515,364,460 are: 1, 2, 4, 5, 10, 13, 20, 26, 31, 43, 52, 62, 65, 86, 124, 130, 155, 172, 215, 260, 310, 403, 430, 559, 620, 806, 860, 1118, 1333, 1487, 1612, 2015, 2236, 2666, 2795, 2974, 4030, 5332, 5590, 5948, 6665, 7435, 8060, 11180, 13330, 14870, 17329, 19331, 26660, 29740, 34658, 38662, 46097, 63941, 69316, 77324, 86645, 92194, 96655, 127882, 173290, 184388, 193310, 230485, 255764, 319705, 346580, 386620, 460970, 599261, 639410, 831233, 921940, 1198522, 1278820, 1662466, 1982171, 2397044, 2996305, 3324932, 3964342, 4156165, 5992610, 7928684, 8312330, 9910855, 11985220, 16624660, 19821710, 25768223, 39643420, 51536446, 103072892, 128841115, 257682230, 515364460.
If you add them up, you will get the total of 1,231,921,152.