2143750

素因数分解:

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

素因数の和:48

約数の個数: 48

約数和(自身を含む): 4687200

約数和(自身を除く): 2543450

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 125, 175, 245, 250, 343, 350, 490, 625, 686, 875, 1225, 1250, 1715, 1750, 2450, 3125, 3430, 4375, 6125, 6250, 8575, 8750, 12250, 17150, 21875, 30625, 42875, 43750, 61250, 85750, 153125, 214375, 306250, 428750, 1071875, 2143750]

約数ペア:

[(1, 2143750), (2, 1071875), (5, 428750), (7, 306250), (10, 214375), (14, 153125), (25, 85750), (35, 61250), (49, 43750), (50, 42875), (70, 30625), (98, 21875), (125, 17150), (175, 12250), (245, 8750), (250, 8575), (343, 6250), (350, 6125), (490, 4375), (625, 3430), (686, 3125), (875, 2450), (1225, 1750), (1250, 1715)]