203215910

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{197297}}^1$

素因数の和:197407

約数の個数: 16

約数和(自身を含む): 369341856

約数和(自身を除く): 166125946

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 197297, 394594, 986485, 1972970, 20321591, 40643182, 101607955, 203215910]

約数ペア:

[(1, 203215910), (2, 101607955), (5, 40643182), (10, 20321591), (103, 1972970), (206, 986485), (515, 394594), (1030, 197297)]