1720691780

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{379007}}^1$

素因数の和:379243

約数の個数: 24

約数和(自身を含む): 3629380608

約数和(自身を除く): 1908688828

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 379007, 758014, 1516028, 1895035, 3790070, 7580140, 86034589, 172069178, 344138356, 430172945, 860345890, 1720691780]

約数ペア:

[(1, 1720691780), (2, 860345890), (4, 430172945), (5, 344138356), (10, 172069178), (20, 86034589), (227, 7580140), (454, 3790070), (908, 1895035), (1135, 1516028), (2270, 758014), (4540, 379007)]