194702980

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{49417}}^1$

素因数の和:49623

約数の個数: 24

約数和(自身を含む): 410960088

約数和(自身を除く): 216257108

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 49417, 98834, 197668, 247085, 494170, 988340, 9735149, 19470298, 38940596, 48675745, 97351490, 194702980]

約数ペア:

[(1, 194702980), (2, 97351490), (4, 48675745), (5, 38940596), (10, 19470298), (20, 9735149), (197, 988340), (394, 494170), (788, 247085), (985, 197668), (1970, 98834), (3940, 49417)]