204417140

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{65101}}^1$

素因数の和:65267

約数の個数: 24

約数和(自身を含む): 432016872

約数和(自身を除く): 227599732

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 65101, 130202, 260404, 325505, 651010, 1302020, 10220857, 20441714, 40883428, 51104285, 102208570, 204417140]

約数ペア:

[(1, 204417140), (2, 102208570), (4, 51104285), (5, 40883428), (10, 20441714), (20, 10220857), (157, 1302020), (314, 651010), (628, 325505), (785, 260404), (1570, 130202), (3140, 65101)]