389988910

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{3571}}^1$

素因数の和:3808

約数の個数: 32

約数和(自身を含む): 717028992

約数和(自身を除く): 327040082

約数列:

[1, 2, 5, 10, 67, 134, 163, 326, 335, 670, 815, 1630, 3571, 7142, 10921, 17855, 21842, 35710, 54605, 109210, 239257, 478514, 582073, 1164146, 1196285, 2392570, 2910365, 5820730, 38998891, 77997782, 194994455, 389988910]

約数ペア:

[(1, 389988910), (2, 194994455), (5, 77997782), (10, 38998891), (67, 5820730), (134, 2910365), (163, 2392570), (326, 1196285), (335, 1164146), (670, 582073), (815, 478514), (1630, 239257), (3571, 109210), (7142, 54605), (10921, 35710), (17855, 21842)]