2228800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{199}}^1$

素因数の和:228

約数の個数: 84

約数和(自身を含む): 6299200

約数和(自身を除く): 4070400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 140, 160, 175, 199, 200, 224, 280, 320, 350, 398, 400, 448, 560, 700, 796, 800, 995, 1120, 1393, 1400, 1592, 1600, 1990, 2240, 2786, 2800, 3184, 3980, 4975, 5572, 5600, 6368, 6965, 7960, 9950, 11144, 11200, 12736, 13930, 15920, 19900, 22288, 27860, 31840, 34825, 39800, 44576, 55720, 63680, 69650, 79600, 89152, 111440, 139300, 159200, 222880, 278600, 318400, 445760, 557200, 1114400, 2228800]

約数ペア:

[(1, 2228800), (2, 1114400), (4, 557200), (5, 445760), (7, 318400), (8, 278600), (10, 222880), (14, 159200), (16, 139300), (20, 111440), (25, 89152), (28, 79600), (32, 69650), (35, 63680), (40, 55720), (50, 44576), (56, 39800), (64, 34825), (70, 31840), (80, 27860), (100, 22288), (112, 19900), (140, 15920), (160, 13930), (175, 12736), (199, 11200), (200, 11144), (224, 9950), (280, 7960), (320, 6965), (350, 6368), (398, 5600), (400, 5572), (448, 4975), (560, 3980), (700, 3184), (796, 2800), (800, 2786), (995, 2240), (1120, 1990), (1393, 1600), (1400, 1592)]