284865320

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{43691}}^1$

素因数の和:43865

約数の個数: 32

約数和(自身を含む): 644893920

約数和(自身を除く): 360028600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 43691, 87382, 174764, 218455, 349528, 436910, 873820, 1747640, 7121633, 14243266, 28486532, 35608165, 56973064, 71216330, 142432660, 284865320]

約数ペア:

[(1, 284865320), (2, 142432660), (4, 71216330), (5, 56973064), (8, 35608165), (10, 28486532), (20, 14243266), (40, 7121633), (163, 1747640), (326, 873820), (652, 436910), (815, 349528), (1304, 218455), (1630, 174764), (3260, 87382), (6520, 43691)]