19710000

素因数分解:

$2^4\times 3^3\times 5^4\times {\mathrm{73}}^1$

素因数の和:110

約数の個数: 200

約数和(自身を含む): 71664560

約数和(自身を除く): 51954560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 73, 75, 80, 90, 100, 108, 120, 125, 135, 144, 146, 150, 180, 200, 216, 219, 225, 240, 250, 270, 292, 300, 360, 365, 375, 400, 432, 438, 450, 500, 540, 584, 600, 625, 657, 675, 720, 730, 750, 876, 900, 1000, 1080, 1095, 1125, 1168, 1200, 1250, 1314, 1350, 1460, 1500, 1752, 1800, 1825, 1875, 1971, 2000, 2160, 2190, 2250, 2500, 2628, 2700, 2920, 3000, 3285, 3375, 3504, 3600, 3650, 3750, 3942, 4380, 4500, 5000, 5256, 5400, 5475, 5625, 5840, 6000, 6570, 6750, 7300, 7500, 7884, 8760, 9000, 9125, 9855, 10000, 10512, 10800, 10950, 11250, 13140, 13500, 14600, 15000, 15768, 16425, 16875, 17520, 18000, 18250, 19710, 21900, 22500, 26280, 27000, 27375, 29200, 30000, 31536, 32850, 33750, 36500, 39420, 43800, 45000, 45625, 49275, 52560, 54000, 54750, 65700, 67500, 73000, 78840, 82125, 87600, 90000, 91250, 98550, 109500, 131400, 135000, 136875, 146000, 157680, 164250, 182500, 197100, 219000, 246375, 262800, 270000, 273750, 328500, 365000, 394200, 410625, 438000, 492750, 547500, 657000, 730000, 788400, 821250, 985500, 1095000, 1231875, 1314000, 1642500, 1971000, 2190000, 2463750, 3285000, 3942000, 4927500, 6570000, 9855000, 19710000]

約数ペア:

[(1, 19710000), (2, 9855000), (3, 6570000), (4, 4927500), (5, 3942000), (6, 3285000), (8, 2463750), (9, 2190000), (10, 1971000), (12, 1642500), (15, 1314000), (16, 1231875), (18, 1095000), (20, 985500), (24, 821250), (25, 788400), (27, 730000), (30, 657000), (36, 547500), (40, 492750), (45, 438000), (48, 410625), (50, 394200), (54, 365000), (60, 328500), (72, 273750), (73, 270000), (75, 262800), (80, 246375), (90, 219000), (100, 197100), (108, 182500), (120, 164250), (125, 157680), (135, 146000), (144, 136875), (146, 135000), (150, 131400), (180, 109500), (200, 98550), (216, 91250), (219, 90000), (225, 87600), (240, 82125), (250, 78840), (270, 73000), (292, 67500), (300, 65700), (360, 54750), (365, 54000), (375, 52560), (400, 49275), (432, 45625), (438, 45000), (450, 43800), (500, 39420), (540, 36500), (584, 33750), (600, 32850), (625, 31536), (657, 30000), (675, 29200), (720, 27375), (730, 27000), (750, 26280), (876, 22500), (900, 21900), (1000, 19710), (1080, 18250), (1095, 18000), (1125, 17520), (1168, 16875), (1200, 16425), (1250, 15768), (1314, 15000), (1350, 14600), (1460, 13500), (1500, 13140), (1752, 11250), (1800, 10950), (1825, 10800), (1875, 10512), (1971, 10000), (2000, 9855), (2160, 9125), (2190, 9000), (2250, 8760), (2500, 7884), (2628, 7500), (2700, 7300), (2920, 6750), (3000, 6570), (3285, 6000), (3375, 5840), (3504, 5625), (3600, 5475), (3650, 5400), (3750, 5256), (3942, 5000), (4380, 4500)]