The factors of the number 2,738,400 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 163, 168, 175, 200, 210, 224, 240, 280, 300, 326, 336, 350, 400, 420, 480, 489, 525, 560, 600, 652, 672, 700, 800, 815, 840, 978, 1050, 1120, 1141, 1200, 1304, 1400, 1630, 1680, 1956, 2100, 2282, 2400, 2445, 2608, 2800, 3260, 3360, 3423, 3912, 4075, 4200, 4564, 4890, 5216, 5600, 5705, 6520, 6846, 7824, 8150, 8400, 9128, 9780, 11410, 12225, 13040, 13692, 15648, 16300, 16800, 17115, 18256, 19560, 22820, 24450, 26080, 27384, 28525, 32600, 34230, 36512, 39120, 45640, 48900, 54768, 57050, 65200, 68460, 78240, 85575, 91280, 97800, 109536, 114100, 130400, 136920, 171150, 182560, 195600, 228200, 273840, 342300, 391200, 456400, 547680, 684600, 912800, 1369200, 2738400.
If you add them up, you will get the total of 10,249,344.