201438860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1438849}}^1$

素因数の和:1438865

約数の個数: 24

約数和(自身を含む): 483453600

約数和(自身を除く): 282014740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1438849, 2877698, 5755396, 7194245, 10071943, 14388490, 20143886, 28776980, 40287772, 50359715, 100719430, 201438860]

約数ペア:

[(1, 201438860), (2, 100719430), (4, 50359715), (5, 40287772), (7, 28776980), (10, 20143886), (14, 14388490), (20, 10071943), (28, 7194245), (35, 5755396), (70, 2877698), (140, 1438849)]