2199190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 4587840

約数和(自身を除く): 2388650

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 353, 445, 623, 706, 890, 1246, 1765, 2471, 3115, 3530, 4942, 6230, 12355, 24710, 31417, 62834, 157085, 219919, 314170, 439838, 1099595, 2199190]

約数ペア:

[(1, 2199190), (2, 1099595), (5, 439838), (7, 314170), (10, 219919), (14, 157085), (35, 62834), (70, 31417), (89, 24710), (178, 12355), (353, 6230), (445, 4942), (623, 3530), (706, 3115), (890, 2471), (1246, 1765)]