2990885168

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{1190639}}^1$

素因数の和:1190804

約数の個数: 20

約数和(自身を含む): 5831754720

約数和(自身を除く): 2840869552

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 1190639, 2381278, 4762556, 9525112, 19050224, 186930323, 373860646, 747721292, 1495442584, 2990885168]

約数ペア:

[(1, 2990885168), (2, 1495442584), (4, 747721292), (8, 373860646), (16, 186930323), (157, 19050224), (314, 9525112), (628, 4762556), (1256, 2381278), (2512, 1190639)]