187717820

素因数分解:

$2^2\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{6709}}^1$

素因数の和:8117

約数の個数: 24

約数和(自身を含む): 394548000

約数和(自身を除く): 206830180

約数列:

[1, 2, 4, 5, 10, 20, 1399, 2798, 5596, 6709, 6995, 13418, 13990, 26836, 27980, 33545, 67090, 134180, 9385891, 18771782, 37543564, 46929455, 93858910, 187717820]

約数ペア:

[(1, 187717820), (2, 93858910), (4, 46929455), (5, 37543564), (10, 18771782), (20, 9385891), (1399, 134180), (2798, 67090), (5596, 33545), (6709, 27980), (6995, 26836), (13418, 13990)]