990266590

素因数分解:

$2^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{410899}}^1$

素因数の和:411147

約数の個数: 16

約数和(自身を含む): 1789880400

約数和(自身を除く): 799613810

約数列:

[1, 2, 5, 10, 241, 482, 1205, 2410, 410899, 821798, 2054495, 4108990, 99026659, 198053318, 495133295, 990266590]

約数ペア:

[(1, 990266590), (2, 495133295), (5, 198053318), (10, 99026659), (241, 4108990), (482, 2054495), (1205, 821798), (2410, 410899)]