213828860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1527349}}^1$

素因数の和:1527365

約数の個数: 24

約数和(自身を含む): 513189600

約数和(自身を除く): 299360740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1527349, 3054698, 6109396, 7636745, 10691443, 15273490, 21382886, 30546980, 42765772, 53457215, 106914430, 213828860]

約数ペア:

[(1, 213828860), (2, 106914430), (4, 53457215), (5, 42765772), (7, 30546980), (10, 21382886), (14, 15273490), (20, 10691443), (28, 7636745), (35, 6109396), (70, 3054698), (140, 1527349)]