The factors of the number 344,322,420 are: 1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 23, 26, 30, 34, 39, 46, 51, 52, 60, 65, 68, 69, 78, 85, 92, 102, 115, 130, 138, 156, 170, 195, 204, 221, 230, 255, 260, 276, 299, 340, 345, 390, 391, 442, 460, 510, 598, 663, 690, 780, 782, 884, 897, 1020, 1105, 1129, 1173, 1196, 1326, 1380, 1495, 1564, 1794, 1955, 2210, 2258, 2346, 2652, 2990, 3315, 3387, 3588, 3910, 4420, 4485, 4516, 4692, 5083, 5645, 5865, 5980, 6630, 6774, 7820, 8970, 10166, 11290, 11730, 13260, 13548, 14677, 15249, 16935, 17940, 19193, 20332, 22580, 23460, 25415, 25967, 29354, 30498, 33870, 38386, 44031, 50830, 51934, 57579, 58708, 60996, 67740, 73385, 76245, 76772, 77901, 88062, 95965, 101660, 103868, 115158, 129835, 146770, 152490, 155802, 176124, 191930, 220155, 230316, 249509, 259670, 287895, 293540, 304980, 311604, 337571, 383860, 389505, 440310, 441439, 499018, 519340, 575790, 675142, 748527, 779010, 880620, 882878, 998036, 1012713, 1151580, 1247545, 1324317, 1350284, 1497054, 1558020, 1687855, 1765756, 2025426, 2207195, 2495090, 2648634, 2994108, 3375710, 3742635, 4050852, 4414390, 4990180, 5063565, 5297268, 5738707, 6621585, 6751420, 7485270, 8828780, 10127130, 11477414, 13243170, 14970540, 17216121, 20254260, 22954828, 26486340, 28693535, 34432242, 57387070, 68864484, 86080605, 114774140, 172161210, 344322420.
If you add them up, you will get the total of 1,148,152,320.