201998860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1442849}}^1$

素因数の和:1442865

約数の個数: 24

約数和(自身を含む): 484797600

約数和(自身を除く): 282798740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1442849, 2885698, 5771396, 7214245, 10099943, 14428490, 20199886, 28856980, 40399772, 50499715, 100999430, 201998860]

約数ペア:

[(1, 201998860), (2, 100999430), (4, 50499715), (5, 40399772), (7, 28856980), (10, 20199886), (14, 14428490), (20, 10099943), (28, 7214245), (35, 5771396), (70, 2885698), (140, 1442849)]