1520409730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{3102877}}^1$

素因数の和:3102898

約数の個数: 24

約数和(自身を含む): 3183552828

約数和(自身を除く): 1663143098

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 3102877, 6205754, 15514385, 21720139, 31028770, 43440278, 108600695, 152040973, 217201390, 304081946, 760204865, 1520409730]

約数ペア:

[(1, 1520409730), (2, 760204865), (5, 304081946), (7, 217201390), (10, 152040973), (14, 108600695), (35, 43440278), (49, 31028770), (70, 21720139), (98, 15514385), (245, 6205754), (490, 3102877)]