19974000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{3329}}^1$

素因数の和:3355

約数の個数: 80

約数和(自身を含む): 64415520

約数和(自身を除く): 44441520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 125, 150, 200, 240, 250, 300, 375, 400, 500, 600, 750, 1000, 1200, 1500, 2000, 3000, 3329, 6000, 6658, 9987, 13316, 16645, 19974, 26632, 33290, 39948, 49935, 53264, 66580, 79896, 83225, 99870, 133160, 159792, 166450, 199740, 249675, 266320, 332900, 399480, 416125, 499350, 665800, 798960, 832250, 998700, 1248375, 1331600, 1664500, 1997400, 2496750, 3329000, 3994800, 4993500, 6658000, 9987000, 19974000]

約数ペア:

[(1, 19974000), (2, 9987000), (3, 6658000), (4, 4993500), (5, 3994800), (6, 3329000), (8, 2496750), (10, 1997400), (12, 1664500), (15, 1331600), (16, 1248375), (20, 998700), (24, 832250), (25, 798960), (30, 665800), (40, 499350), (48, 416125), (50, 399480), (60, 332900), (75, 266320), (80, 249675), (100, 199740), (120, 166450), (125, 159792), (150, 133160), (200, 99870), (240, 83225), (250, 79896), (300, 66580), (375, 53264), (400, 49935), (500, 39948), (600, 33290), (750, 26632), (1000, 19974), (1200, 16645), (1500, 13316), (2000, 9987), (3000, 6658), (3329, 6000)]