214521000220

素因数分解:

$2^2\times 5^1\times {\mathrm{418349}}^1\times {\mathrm{25639}}^1$

素因数の和:443997

約数の個数: 24

約数和(自身を含む): 450512748000

約数和(自身を除く): 235991747780

約数列:

[1, 2, 4, 5, 10, 20, 25639, 51278, 102556, 128195, 256390, 418349, 512780, 836698, 1673396, 2091745, 4183490, 8366980, 10726050011, 21452100022, 42904200044, 53630250055, 107260500110, 214521000220]

約数ペア:

[(1, 214521000220), (2, 107260500110), (4, 53630250055), (5, 42904200044), (10, 21452100022), (20, 10726050011), (25639, 8366980), (51278, 4183490), (102556, 2091745), (128195, 1673396), (256390, 836698), (418349, 512780)]