199449890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{224101}}^1$

素因数の和:224197

約数の個数: 16

約数和(自身を含む): 363045240

約数和(自身を除く): 163595350

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 224101, 448202, 1120505, 2241010, 19944989, 39889978, 99724945, 199449890]

約数ペア:

[(1, 199449890), (2, 99724945), (5, 39889978), (10, 19944989), (89, 2241010), (178, 1120505), (445, 448202), (890, 224101)]