2850000

素因数分解:

$2^4\times 3^1\times 5^5\times {\mathrm{19}}^1$

素因数の和:55

約数の個数: 120

約数和(自身を含む): 9686880

約数和(自身を除く): 6836880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 38, 40, 48, 50, 57, 60, 75, 76, 80, 95, 100, 114, 120, 125, 150, 152, 190, 200, 228, 240, 250, 285, 300, 304, 375, 380, 400, 456, 475, 500, 570, 600, 625, 750, 760, 912, 950, 1000, 1140, 1200, 1250, 1425, 1500, 1520, 1875, 1900, 2000, 2280, 2375, 2500, 2850, 3000, 3125, 3750, 3800, 4560, 4750, 5000, 5700, 6000, 6250, 7125, 7500, 7600, 9375, 9500, 10000, 11400, 11875, 12500, 14250, 15000, 18750, 19000, 22800, 23750, 25000, 28500, 30000, 35625, 37500, 38000, 47500, 50000, 57000, 59375, 71250, 75000, 95000, 114000, 118750, 142500, 150000, 178125, 190000, 237500, 285000, 356250, 475000, 570000, 712500, 950000, 1425000, 2850000]

約数ペア:

[(1, 2850000), (2, 1425000), (3, 950000), (4, 712500), (5, 570000), (6, 475000), (8, 356250), (10, 285000), (12, 237500), (15, 190000), (16, 178125), (19, 150000), (20, 142500), (24, 118750), (25, 114000), (30, 95000), (38, 75000), (40, 71250), (48, 59375), (50, 57000), (57, 50000), (60, 47500), (75, 38000), (76, 37500), (80, 35625), (95, 30000), (100, 28500), (114, 25000), (120, 23750), (125, 22800), (150, 19000), (152, 18750), (190, 15000), (200, 14250), (228, 12500), (240, 11875), (250, 11400), (285, 10000), (300, 9500), (304, 9375), (375, 7600), (380, 7500), (400, 7125), (456, 6250), (475, 6000), (500, 5700), (570, 5000), (600, 4750), (625, 4560), (750, 3800), (760, 3750), (912, 3125), (950, 3000), (1000, 2850), (1140, 2500), (1200, 2375), (1250, 2280), (1425, 2000), (1500, 1900), (1520, 1875)]