200660290

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{225461}}^1$

素因数の和:225557

約数の個数: 16

約数和(自身を含む): 365248440

約数和(自身を除く): 164588150

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 225461, 450922, 1127305, 2254610, 20066029, 40132058, 100330145, 200660290]

約数ペア:

[(1, 200660290), (2, 100330145), (5, 40132058), (10, 20066029), (89, 2254610), (178, 1127305), (445, 450922), (890, 225461)]