388749910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1690217}}^1$

素因数の和:1690247

約数の個数: 16

約数和(自身を含む): 730174176

約数和(自身を除く): 341424266

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 1690217, 3380434, 8451085, 16902170, 38874991, 77749982, 194374955, 388749910]

約数ペア:

[(1, 388749910), (2, 194374955), (5, 77749982), (10, 38874991), (23, 16902170), (46, 8451085), (115, 3380434), (230, 1690217)]