196870000

素因数分解:

$2^4\times 5^4\times {\mathrm{19687}}^1$

素因数の和:19715

約数の個数: 50

約数和(自身を含む): 476666168

約数和(自身を除く): 279796168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 10000, 19687, 39374, 78748, 98435, 157496, 196870, 314992, 393740, 492175, 787480, 984350, 1574960, 1968700, 2460875, 3937400, 4921750, 7874800, 9843500, 12304375, 19687000, 24608750, 39374000, 49217500, 98435000, 196870000]

約数ペア:

[(1, 196870000), (2, 98435000), (4, 49217500), (5, 39374000), (8, 24608750), (10, 19687000), (16, 12304375), (20, 9843500), (25, 7874800), (40, 4921750), (50, 3937400), (80, 2460875), (100, 1968700), (125, 1574960), (200, 984350), (250, 787480), (400, 492175), (500, 393740), (625, 314992), (1000, 196870), (1250, 157496), (2000, 98435), (2500, 78748), (5000, 39374), (10000, 19687)]