19785000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{1319}}^1$

素因数の和:1348

約数の個数: 80

約数和(自身を含む): 61855200

約数和(自身を除く): 42070200

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, 1319, 1500, 1875, 2500, 2638, 3000, 3750, 3957, 5000, 5276, 6595, 7500, 7914, 10552, 13190, 15000, 15828, 19785, 26380, 31656, 32975, 39570, 52760, 65950, 79140, 98925, 131900, 158280, 164875, 197850, 263800, 329750, 395700, 494625, 659500, 791400, 824375, 989250, 1319000, 1648750, 1978500, 2473125, 3297500, 3957000, 4946250, 6595000, 9892500, 19785000]

約数ペア:

[(1, 19785000), (2, 9892500), (3, 6595000), (4, 4946250), (5, 3957000), (6, 3297500), (8, 2473125), (10, 1978500), (12, 1648750), (15, 1319000), (20, 989250), (24, 824375), (25, 791400), (30, 659500), (40, 494625), (50, 395700), (60, 329750), (75, 263800), (100, 197850), (120, 164875), (125, 158280), (150, 131900), (200, 98925), (250, 79140), (300, 65950), (375, 52760), (500, 39570), (600, 32975), (625, 31656), (750, 26380), (1000, 19785), (1250, 15828), (1319, 15000), (1500, 13190), (1875, 10552), (2500, 7914), (2638, 7500), (3000, 6595), (3750, 5276), (3957, 5000)]