281235000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{18749}}^1$

素因数の和:18778

約数の個数: 80

約数和(自身を含む): 878625000

約数和(自身を除く): 597390000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 625, 750, 1000, 1250, 1500, 1875, 2500, 3000, 3750, 5000, 7500, 15000, 18749, 37498, 56247, 74996, 93745, 112494, 149992, 187490, 224988, 281235, 374980, 449976, 468725, 562470, 749960, 937450, 1124940, 1406175, 1874900, 2249880, 2343625, 2812350, 3749800, 4687250, 5624700, 7030875, 9374500, 11249400, 11718125, 14061750, 18749000, 23436250, 28123500, 35154375, 46872500, 56247000, 70308750, 93745000, 140617500, 281235000]

約数ペア:

[(1, 281235000), (2, 140617500), (3, 93745000), (4, 70308750), (5, 56247000), (6, 46872500), (8, 35154375), (10, 28123500), (12, 23436250), (15, 18749000), (20, 14061750), (24, 11718125), (25, 11249400), (30, 9374500), (40, 7030875), (50, 5624700), (60, 4687250), (75, 3749800), (100, 2812350), (120, 2343625), (125, 2249880), (150, 1874900), (200, 1406175), (250, 1124940), (300, 937450), (375, 749960), (500, 562470), (600, 468725), (625, 449976), (750, 374980), (1000, 281235), (1250, 224988), (1500, 187490), (1875, 149992), (2500, 112494), (3000, 93745), (3750, 74996), (5000, 56247), (7500, 37498), (15000, 18749)]