211955950

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{38891}}^1$

素因数の和:39012

約数の個数: 24

約数和(自身を含む): 397865160

約数和(自身を除く): 185909210

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 1090, 2725, 5450, 38891, 77782, 194455, 388910, 972275, 1944550, 4239119, 8478238, 21195595, 42391190, 105977975, 211955950]

約数ペア:

[(1, 211955950), (2, 105977975), (5, 42391190), (10, 21195595), (25, 8478238), (50, 4239119), (109, 1944550), (218, 972275), (545, 388910), (1090, 194455), (2725, 77782), (5450, 38891)]