199793090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{407741}}^1$

素因数の和:407762

約数の個数: 24

約数和(自身を含む): 418343292

約数和(自身を除く): 218550202

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 407741, 815482, 2038705, 2854187, 4077410, 5708374, 14270935, 19979309, 28541870, 39958618, 99896545, 199793090]

約数ペア:

[(1, 199793090), (2, 99896545), (5, 39958618), (7, 28541870), (10, 19979309), (14, 14270935), (35, 5708374), (49, 4077410), (70, 2854187), (98, 2038705), (245, 815482), (490, 407741)]