19027500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 120

約数和(自身を含む): 57731520

約数和(自身を除く): 38704020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 43, 50, 59, 60, 75, 86, 100, 118, 125, 129, 150, 172, 177, 215, 236, 250, 258, 295, 300, 354, 375, 430, 500, 516, 590, 625, 645, 708, 750, 860, 885, 1075, 1180, 1250, 1290, 1475, 1500, 1770, 1875, 2150, 2500, 2537, 2580, 2950, 3225, 3540, 3750, 4300, 4425, 5074, 5375, 5900, 6450, 7375, 7500, 7611, 8850, 10148, 10750, 12685, 12900, 14750, 15222, 16125, 17700, 21500, 22125, 25370, 26875, 29500, 30444, 32250, 36875, 38055, 44250, 50740, 53750, 63425, 64500, 73750, 76110, 80625, 88500, 107500, 110625, 126850, 147500, 152220, 161250, 190275, 221250, 253700, 317125, 322500, 380550, 442500, 634250, 761100, 951375, 1268500, 1585625, 1902750, 3171250, 3805500, 4756875, 6342500, 9513750, 19027500]

約数ペア:

[(1, 19027500), (2, 9513750), (3, 6342500), (4, 4756875), (5, 3805500), (6, 3171250), (10, 1902750), (12, 1585625), (15, 1268500), (20, 951375), (25, 761100), (30, 634250), (43, 442500), (50, 380550), (59, 322500), (60, 317125), (75, 253700), (86, 221250), (100, 190275), (118, 161250), (125, 152220), (129, 147500), (150, 126850), (172, 110625), (177, 107500), (215, 88500), (236, 80625), (250, 76110), (258, 73750), (295, 64500), (300, 63425), (354, 53750), (375, 50740), (430, 44250), (500, 38055), (516, 36875), (590, 32250), (625, 30444), (645, 29500), (708, 26875), (750, 25370), (860, 22125), (885, 21500), (1075, 17700), (1180, 16125), (1250, 15222), (1290, 14750), (1475, 12900), (1500, 12685), (1770, 10750), (1875, 10148), (2150, 8850), (2500, 7611), (2537, 7500), (2580, 7375), (2950, 6450), (3225, 5900), (3540, 5375), (3750, 5074), (4300, 4425)]