202149260

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113567}}^1$

素因数の和:113665

約数の個数: 24

約数和(自身を含む): 429287040

約数和(自身を除く): 227137780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 113567, 227134, 454268, 567835, 1135670, 2271340, 10107463, 20214926, 40429852, 50537315, 101074630, 202149260]

約数ペア:

[(1, 202149260), (2, 101074630), (4, 50537315), (5, 40429852), (10, 20214926), (20, 10107463), (89, 2271340), (178, 1135670), (356, 567835), (445, 454268), (890, 227134), (1780, 113567)]