42978700

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3943}}^1$

素因数の和:4066

約数の個数: 36

約数和(自身を含む): 94143280

約数和(自身を除く): 51164580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 3943, 5450, 7886, 10900, 15772, 19715, 39430, 78860, 98575, 197150, 394300, 429787, 859574, 1719148, 2148935, 4297870, 8595740, 10744675, 21489350, 42978700]

約数ペア:

[(1, 42978700), (2, 21489350), (4, 10744675), (5, 8595740), (10, 4297870), (20, 2148935), (25, 1719148), (50, 859574), (100, 429787), (109, 394300), (218, 197150), (436, 98575), (545, 78860), (1090, 39430), (2180, 19715), (2725, 15772), (3943, 10900), (5450, 7886)]