385401260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{448141}}^1$

素因数の和:448193

約数の個数: 24

約数和(自身を含む): 828166416

約数和(自身を除く): 442765156

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 448141, 896282, 1792564, 2240705, 4481410, 8962820, 19270063, 38540126, 77080252, 96350315, 192700630, 385401260]

約数ペア:

[(1, 385401260), (2, 192700630), (4, 96350315), (5, 77080252), (10, 38540126), (20, 19270063), (43, 8962820), (86, 4481410), (172, 2240705), (215, 1792564), (430, 896282), (860, 448141)]