196147990

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{220391}}^1$

素因数の和:220487

約数の個数: 16

約数和(自身を含む): 357035040

約数和(自身を除く): 160887050

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 220391, 440782, 1101955, 2203910, 19614799, 39229598, 98073995, 196147990]

約数ペア:

[(1, 196147990), (2, 98073995), (5, 39229598), (10, 19614799), (89, 2203910), (178, 1101955), (445, 440782), (890, 220391)]