204078860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{237301}}^1$

素因数の和:237353

約数の個数: 24

約数和(自身を含む): 438534096

約数和(自身を除く): 234455236

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 237301, 474602, 949204, 1186505, 2373010, 4746020, 10203943, 20407886, 40815772, 51019715, 102039430, 204078860]

約数ペア:

[(1, 204078860), (2, 102039430), (4, 51019715), (5, 40815772), (10, 20407886), (20, 10203943), (43, 4746020), (86, 2373010), (172, 1186505), (215, 949204), (430, 474602), (860, 237301)]