The factors of the number 340,001,220 are: 1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 39, 52, 58, 60, 65, 78, 87, 116, 130, 145, 156, 174, 195, 260, 290, 348, 377, 390, 435, 580, 754, 780, 870, 1131, 1508, 1740, 1885, 2262, 3770, 4524, 5655, 7540, 11310, 15031, 22620, 30062, 45093, 60124, 75155, 90186, 150310, 180372, 195403, 225465, 300620, 390806, 435899, 450930, 586209, 781612, 871798, 901860, 977015, 1172418, 1307697, 1743596, 1954030, 2179495, 2344836, 2615394, 2931045, 3908060, 4358990, 5230788, 5666687, 5862090, 6538485, 8717980, 11333374, 11724180, 13076970, 17000061, 22666748, 26153940, 28333435, 34000122, 56666870, 68000244, 85000305, 113333740, 170000610, 340001220.
If you add them up, you will get the total of 1,060,657,920.