388670690

素因数分解:

$2^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{79159}}^1$

素因数の和:79657

約数の個数: 16

約数和(自身を含む): 701040960

約数和(自身を除く): 312370270

約数列:

[1, 2, 5, 10, 491, 982, 2455, 4910, 79159, 158318, 395795, 791590, 38867069, 77734138, 194335345, 388670690]

約数ペア:

[(1, 388670690), (2, 194335345), (5, 77734138), (10, 38867069), (491, 791590), (982, 395795), (2455, 158318), (4910, 79159)]