1987000

素因数分解:

$2^3\times 5^3\times {\mathrm{1987}}^1$

素因数の和:2008

約数の個数: 32

約数和(自身を含む): 4651920

約数和(自身を除く): 2664920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 1987, 3974, 7948, 9935, 15896, 19870, 39740, 49675, 79480, 99350, 198700, 248375, 397400, 496750, 993500, 1987000]

約数ペア:

[(1, 1987000), (2, 993500), (4, 496750), (5, 397400), (8, 248375), (10, 198700), (20, 99350), (25, 79480), (40, 49675), (50, 39740), (100, 19870), (125, 15896), (200, 9935), (250, 7948), (500, 3974), (1000, 1987)]