1404940

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 2973600

約数和(自身を除く): 1568660

約数列:

[1, 2, 4, 5, 10, 20, 199, 353, 398, 706, 796, 995, 1412, 1765, 1990, 3530, 3980, 7060, 70247, 140494, 280988, 351235, 702470, 1404940]

約数ペア:

[(1, 1404940), (2, 702470), (4, 351235), (5, 280988), (10, 140494), (20, 70247), (199, 7060), (353, 3980), (398, 3530), (706, 1990), (796, 1765), (995, 1412)]