890386490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{12719807}}^1$

素因数の和:12719821

約数の個数: 16

約数和(自身を含む): 1831652352

約数和(自身を除く): 941265862

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 12719807, 25439614, 63599035, 89038649, 127198070, 178077298, 445193245, 890386490]

約数ペア:

[(1, 890386490), (2, 445193245), (5, 178077298), (7, 127198070), (10, 89038649), (14, 63599035), (35, 25439614), (70, 12719807)]