331820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 713664

約数和(自身を除く): 381844

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 353, 470, 706, 940, 1412, 1765, 3530, 7060, 16591, 33182, 66364, 82955, 165910, 331820]

約数ペア:

[(1, 331820), (2, 165910), (4, 82955), (5, 66364), (10, 33182), (20, 16591), (47, 7060), (94, 3530), (188, 1765), (235, 1412), (353, 940), (470, 706)]