428750

素因数分解:

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

素因数の和:43

約数の個数: 40

約数和(自身を含む): 937200

約数和(自身を除く): 508450

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, 3430, 4375, 6125, 8575, 8750, 12250, 17150, 30625, 42875, 61250, 85750, 214375, 428750]

約数ペア:

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