19871250

素因数分解:

$2^1\times 3^1\times 5^4\times 7^1\times {\mathrm{757}}^1$

素因数の和:789

約数の個数: 80

約数和(自身を含む): 56831808

約数和(自身を除く): 36960558

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 125, 150, 175, 210, 250, 350, 375, 525, 625, 750, 757, 875, 1050, 1250, 1514, 1750, 1875, 2271, 2625, 3750, 3785, 4375, 4542, 5250, 5299, 7570, 8750, 10598, 11355, 13125, 15897, 18925, 22710, 26250, 26495, 31794, 37850, 52990, 56775, 79485, 94625, 113550, 132475, 158970, 189250, 264950, 283875, 397425, 473125, 567750, 662375, 794850, 946250, 1324750, 1419375, 1987125, 2838750, 3311875, 3974250, 6623750, 9935625, 19871250]

約数ペア:

[(1, 19871250), (2, 9935625), (3, 6623750), (5, 3974250), (6, 3311875), (7, 2838750), (10, 1987125), (14, 1419375), (15, 1324750), (21, 946250), (25, 794850), (30, 662375), (35, 567750), (42, 473125), (50, 397425), (70, 283875), (75, 264950), (105, 189250), (125, 158970), (150, 132475), (175, 113550), (210, 94625), (250, 79485), (350, 56775), (375, 52990), (525, 37850), (625, 31794), (750, 26495), (757, 26250), (875, 22710), (1050, 18925), (1250, 15897), (1514, 13125), (1750, 11355), (1875, 10598), (2271, 8750), (2625, 7570), (3750, 5299), (3785, 5250), (4375, 4542)]