551411420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3938653}}^1$

素因数の和:3938669

約数の個数: 24

約数和(自身を含む): 1323387744

約数和(自身を除く): 771976324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3938653, 7877306, 15754612, 19693265, 27570571, 39386530, 55141142, 78773060, 110282284, 137852855, 275705710, 551411420]

約数ペア:

[(1, 551411420), (2, 275705710), (4, 137852855), (5, 110282284), (7, 78773060), (10, 55141142), (14, 39386530), (20, 27570571), (28, 19693265), (35, 15754612), (70, 7877306), (140, 3938653)]