200918390

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{225751}}^1$

素因数の和:225847

約数の個数: 16

約数和(自身を含む): 365718240

約数和(自身を除く): 164799850

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 225751, 451502, 1128755, 2257510, 20091839, 40183678, 100459195, 200918390]

約数ペア:

[(1, 200918390), (2, 100459195), (5, 40183678), (10, 20091839), (89, 2257510), (178, 1128755), (445, 451502), (890, 225751)]