285000000

素因数分解:

$2^6\times 3^1\times 5^7\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 224

約数和(自身を含む): 992184960

約数和(自身を除く): 707184960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 32, 38, 40, 48, 50, 57, 60, 64, 75, 76, 80, 95, 96, 100, 114, 120, 125, 150, 152, 160, 190, 192, 200, 228, 240, 250, 285, 300, 304, 320, 375, 380, 400, 456, 475, 480, 500, 570, 600, 608, 625, 750, 760, 800, 912, 950, 960, 1000, 1140, 1200, 1216, 1250, 1425, 1500, 1520, 1600, 1824, 1875, 1900, 2000, 2280, 2375, 2400, 2500, 2850, 3000, 3040, 3125, 3648, 3750, 3800, 4000, 4560, 4750, 4800, 5000, 5700, 6000, 6080, 6250, 7125, 7500, 7600, 8000, 9120, 9375, 9500, 10000, 11400, 11875, 12000, 12500, 14250, 15000, 15200, 15625, 18240, 18750, 19000, 20000, 22800, 23750, 24000, 25000, 28500, 30000, 30400, 31250, 35625, 37500, 38000, 40000, 45600, 46875, 47500, 50000, 57000, 59375, 60000, 62500, 71250, 75000, 76000, 78125, 91200, 93750, 95000, 100000, 114000, 118750, 120000, 125000, 142500, 150000, 152000, 156250, 178125, 187500, 190000, 200000, 228000, 234375, 237500, 250000, 285000, 296875, 300000, 312500, 356250, 375000, 380000, 456000, 468750, 475000, 500000, 570000, 593750, 600000, 625000, 712500, 750000, 760000, 890625, 937500, 950000, 1000000, 1140000, 1187500, 1250000, 1425000, 1484375, 1500000, 1781250, 1875000, 1900000, 2280000, 2375000, 2500000, 2850000, 2968750, 3000000, 3562500, 3750000, 3800000, 4453125, 4750000, 5000000, 5700000, 5937500, 7125000, 7500000, 8906250, 9500000, 11400000, 11875000, 14250000, 15000000, 17812500, 19000000, 23750000, 28500000, 35625000, 47500000, 57000000, 71250000, 95000000, 142500000, 285000000]

約数ペア:

[(1, 285000000), (2, 142500000), (3, 95000000), (4, 71250000), (5, 57000000), (6, 47500000), (8, 35625000), (10, 28500000), (12, 23750000), (15, 19000000), (16, 17812500), (19, 15000000), (20, 14250000), (24, 11875000), (25, 11400000), (30, 9500000), (32, 8906250), (38, 7500000), (40, 7125000), (48, 5937500), (50, 5700000), (57, 5000000), (60, 4750000), (64, 4453125), (75, 3800000), (76, 3750000), (80, 3562500), (95, 3000000), (96, 2968750), (100, 2850000), (114, 2500000), (120, 2375000), (125, 2280000), (150, 1900000), (152, 1875000), (160, 1781250), (190, 1500000), (192, 1484375), (200, 1425000), (228, 1250000), (240, 1187500), (250, 1140000), (285, 1000000), (300, 950000), (304, 937500), (320, 890625), (375, 760000), (380, 750000), (400, 712500), (456, 625000), (475, 600000), (480, 593750), (500, 570000), (570, 500000), (600, 475000), (608, 468750), (625, 456000), (750, 380000), (760, 375000), (800, 356250), (912, 312500), (950, 300000), (960, 296875), (1000, 285000), (1140, 250000), (1200, 237500), (1216, 234375), (1250, 228000), (1425, 200000), (1500, 190000), (1520, 187500), (1600, 178125), (1824, 156250), (1875, 152000), (1900, 150000), (2000, 142500), (2280, 125000), (2375, 120000), (2400, 118750), (2500, 114000), (2850, 100000), (3000, 95000), (3040, 93750), (3125, 91200), (3648, 78125), (3750, 76000), (3800, 75000), (4000, 71250), (4560, 62500), (4750, 60000), (4800, 59375), (5000, 57000), (5700, 50000), (6000, 47500), (6080, 46875), (6250, 45600), (7125, 40000), (7500, 38000), (7600, 37500), (8000, 35625), (9120, 31250), (9375, 30400), (9500, 30000), (10000, 28500), (11400, 25000), (11875, 24000), (12000, 23750), (12500, 22800), (14250, 20000), (15000, 19000), (15200, 18750), (15625, 18240)]