9972970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{20353}}^1$

素因数の和:20374

約数の個数: 24

約数和(自身を含む): 20883204

約数和(自身を除く): 10910234

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 20353, 40706, 101765, 142471, 203530, 284942, 712355, 997297, 1424710, 1994594, 4986485, 9972970]

約数ペア:

[(1, 9972970), (2, 4986485), (5, 1994594), (7, 1424710), (10, 997297), (14, 712355), (35, 284942), (49, 203530), (70, 142471), (98, 101765), (245, 40706), (490, 20353)]