The factors of the number 1,861,200 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 25, 30, 33, 36, 40, 44, 45, 47, 48, 50, 55, 60, 66, 72, 75, 80, 88, 90, 94, 99, 100, 110, 120, 132, 141, 144, 150, 165, 176, 180, 188, 198, 200, 220, 225, 235, 240, 264, 275, 282, 300, 330, 360, 376, 396, 400, 423, 440, 450, 470, 495, 517, 528, 550, 564, 600, 660, 705, 720, 752, 792, 825, 846, 880, 900, 940, 990, 1034, 1100, 1128, 1175, 1200, 1320, 1410, 1551, 1584, 1650, 1692, 1800, 1880, 1980, 2068, 2115, 2200, 2256, 2350, 2475, 2585, 2640, 2820, 3102, 3300, 3384, 3525, 3600, 3760, 3960, 4136, 4230, 4400, 4653, 4700, 4950, 5170, 5640, 6204, 6600, 6768, 7050, 7755, 7920, 8272, 8460, 9306, 9400, 9900, 10340, 10575, 11280, 12408, 12925, 13200, 14100, 15510, 16920, 18612, 18800, 19800, 20680, 21150, 23265, 24816, 25850, 28200, 31020, 33840, 37224, 38775, 39600, 41360, 42300, 46530, 51700, 56400, 62040, 74448, 77550, 84600, 93060, 103400, 116325, 124080, 155100, 169200, 186120, 206800, 232650, 310200, 372240, 465300, 620400, 930600, 1861200.
If you add them up, you will get the total of 7,195,968.