1286250

素因数分解:

$2^1\times 3^1\times 5^4\times 7^3$

素因数の和:46

約数の個数: 80

約数和(自身を含む): 3748800

約数和(自身を除く): 2462550

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 98, 105, 125, 147, 150, 175, 210, 245, 250, 294, 343, 350, 375, 490, 525, 625, 686, 735, 750, 875, 1029, 1050, 1225, 1250, 1470, 1715, 1750, 1875, 2058, 2450, 2625, 3430, 3675, 3750, 4375, 5145, 5250, 6125, 7350, 8575, 8750, 10290, 12250, 13125, 17150, 18375, 25725, 26250, 30625, 36750, 42875, 51450, 61250, 85750, 91875, 128625, 183750, 214375, 257250, 428750, 643125, 1286250]

約数ペア:

[(1, 1286250), (2, 643125), (3, 428750), (5, 257250), (6, 214375), (7, 183750), (10, 128625), (14, 91875), (15, 85750), (21, 61250), (25, 51450), (30, 42875), (35, 36750), (42, 30625), (49, 26250), (50, 25725), (70, 18375), (75, 17150), (98, 13125), (105, 12250), (125, 10290), (147, 8750), (150, 8575), (175, 7350), (210, 6125), (245, 5250), (250, 5145), (294, 4375), (343, 3750), (350, 3675), (375, 3430), (490, 2625), (525, 2450), (625, 2058), (686, 1875), (735, 1750), (750, 1715), (875, 1470), (1029, 1250), (1050, 1225)]