5439100

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:622

約数の個数: 36

約数和(自身を含む): 11935000

約数和(自身を除く): 6495900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 499, 545, 998, 1090, 1996, 2180, 2495, 2725, 4990, 5450, 9980, 10900, 12475, 24950, 49900, 54391, 108782, 217564, 271955, 543910, 1087820, 1359775, 2719550, 5439100]

約数ペア:

[(1, 5439100), (2, 2719550), (4, 1359775), (5, 1087820), (10, 543910), (20, 271955), (25, 217564), (50, 108782), (100, 54391), (109, 49900), (218, 24950), (436, 12475), (499, 10900), (545, 9980), (998, 5450), (1090, 4990), (1996, 2725), (2180, 2495)]