28500000

素因数分解:

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

素因数の和:62

約数の個数: 168

約数和(自身を含む): 98436240

約数和(自身を除く): 69936240

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, 75, 76, 80, 95, 96, 100, 114, 120, 125, 150, 152, 160, 190, 200, 228, 240, 250, 285, 300, 304, 375, 380, 400, 456, 475, 480, 500, 570, 600, 608, 625, 750, 760, 800, 912, 950, 1000, 1140, 1200, 1250, 1425, 1500, 1520, 1824, 1875, 1900, 2000, 2280, 2375, 2400, 2500, 2850, 3000, 3040, 3125, 3750, 3800, 4000, 4560, 4750, 5000, 5700, 6000, 6250, 7125, 7500, 7600, 9120, 9375, 9500, 10000, 11400, 11875, 12000, 12500, 14250, 15000, 15200, 15625, 18750, 19000, 20000, 22800, 23750, 25000, 28500, 30000, 31250, 35625, 37500, 38000, 45600, 46875, 47500, 50000, 57000, 59375, 60000, 62500, 71250, 75000, 76000, 93750, 95000, 100000, 114000, 118750, 125000, 142500, 150000, 178125, 187500, 190000, 228000, 237500, 250000, 285000, 296875, 300000, 356250, 375000, 380000, 475000, 500000, 570000, 593750, 712500, 750000, 890625, 950000, 1140000, 1187500, 1425000, 1500000, 1781250, 1900000, 2375000, 2850000, 3562500, 4750000, 5700000, 7125000, 9500000, 14250000, 28500000]

約数ペア:

[(1, 28500000), (2, 14250000), (3, 9500000), (4, 7125000), (5, 5700000), (6, 4750000), (8, 3562500), (10, 2850000), (12, 2375000), (15, 1900000), (16, 1781250), (19, 1500000), (20, 1425000), (24, 1187500), (25, 1140000), (30, 950000), (32, 890625), (38, 750000), (40, 712500), (48, 593750), (50, 570000), (57, 500000), (60, 475000), (75, 380000), (76, 375000), (80, 356250), (95, 300000), (96, 296875), (100, 285000), (114, 250000), (120, 237500), (125, 228000), (150, 190000), (152, 187500), (160, 178125), (190, 150000), (200, 142500), (228, 125000), (240, 118750), (250, 114000), (285, 100000), (300, 95000), (304, 93750), (375, 76000), (380, 75000), (400, 71250), (456, 62500), (475, 60000), (480, 59375), (500, 57000), (570, 50000), (600, 47500), (608, 46875), (625, 45600), (750, 38000), (760, 37500), (800, 35625), (912, 31250), (950, 30000), (1000, 28500), (1140, 25000), (1200, 23750), (1250, 22800), (1425, 20000), (1500, 19000), (1520, 18750), (1824, 15625), (1875, 15200), (1900, 15000), (2000, 14250), (2280, 12500), (2375, 12000), (2400, 11875), (2500, 11400), (2850, 10000), (3000, 9500), (3040, 9375), (3125, 9120), (3750, 7600), (3800, 7500), (4000, 7125), (4560, 6250), (4750, 6000), (5000, 5700)]