266026390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{542911}}^1$

素因数の和:542932

約数の個数: 24

約数和(自身を含む): 557027712

約数和(自身を除く): 291001322

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 542911, 1085822, 2714555, 3800377, 5429110, 7600754, 19001885, 26602639, 38003770, 53205278, 133013195, 266026390]

約数ペア:

[(1, 266026390), (2, 133013195), (5, 53205278), (7, 38003770), (10, 26602639), (14, 19001885), (35, 7600754), (49, 5429110), (70, 3800377), (98, 2714555), (245, 1085822), (490, 542911)]