19729500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{1879}}^1$

素因数の和:1908

約数の個数: 96

約数和(自身を含む): 65694720

約数和(自身を除く): 45965220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 175, 210, 250, 300, 350, 375, 420, 500, 525, 700, 750, 875, 1050, 1500, 1750, 1879, 2100, 2625, 3500, 3758, 5250, 5637, 7516, 9395, 10500, 11274, 13153, 18790, 22548, 26306, 28185, 37580, 39459, 46975, 52612, 56370, 65765, 78918, 93950, 112740, 131530, 140925, 157836, 187900, 197295, 234875, 263060, 281850, 328825, 394590, 469750, 563700, 657650, 704625, 789180, 939500, 986475, 1315300, 1409250, 1644125, 1972950, 2818500, 3288250, 3945900, 4932375, 6576500, 9864750, 19729500]

約数ペア:

[(1, 19729500), (2, 9864750), (3, 6576500), (4, 4932375), (5, 3945900), (6, 3288250), (7, 2818500), (10, 1972950), (12, 1644125), (14, 1409250), (15, 1315300), (20, 986475), (21, 939500), (25, 789180), (28, 704625), (30, 657650), (35, 563700), (42, 469750), (50, 394590), (60, 328825), (70, 281850), (75, 263060), (84, 234875), (100, 197295), (105, 187900), (125, 157836), (140, 140925), (150, 131530), (175, 112740), (210, 93950), (250, 78918), (300, 65765), (350, 56370), (375, 52612), (420, 46975), (500, 39459), (525, 37580), (700, 28185), (750, 26306), (875, 22548), (1050, 18790), (1500, 13153), (1750, 11274), (1879, 10500), (2100, 9395), (2625, 7516), (3500, 5637), (3758, 5250)]