220199420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1572853}}^1$

素因数の和:1572869

約数の個数: 24

約数和(自身を含む): 528478944

約数和(自身を除く): 308279524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1572853, 3145706, 6291412, 7864265, 11009971, 15728530, 22019942, 31457060, 44039884, 55049855, 110099710, 220199420]

約数ペア:

[(1, 220199420), (2, 110099710), (4, 55049855), (5, 44039884), (7, 31457060), (10, 22019942), (14, 15728530), (20, 11009971), (28, 7864265), (35, 6291412), (70, 3145706), (140, 1572853)]