1257900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{599}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 4166400

約数和(自身を除く): 2908500

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, 140, 150, 175, 210, 300, 350, 420, 525, 599, 700, 1050, 1198, 1797, 2100, 2396, 2995, 3594, 4193, 5990, 7188, 8386, 8985, 11980, 12579, 14975, 16772, 17970, 20965, 25158, 29950, 35940, 41930, 44925, 50316, 59900, 62895, 83860, 89850, 104825, 125790, 179700, 209650, 251580, 314475, 419300, 628950, 1257900]

約数ペア:

[(1, 1257900), (2, 628950), (3, 419300), (4, 314475), (5, 251580), (6, 209650), (7, 179700), (10, 125790), (12, 104825), (14, 89850), (15, 83860), (20, 62895), (21, 59900), (25, 50316), (28, 44925), (30, 41930), (35, 35940), (42, 29950), (50, 25158), (60, 20965), (70, 17970), (75, 16772), (84, 14975), (100, 12579), (105, 11980), (140, 8985), (150, 8386), (175, 7188), (210, 5990), (300, 4193), (350, 3594), (420, 2995), (525, 2396), (599, 2100), (700, 1797), (1050, 1198)]