990380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2153}}^1$

素因数の和:2185

約数の個数: 24

約数和(自身を含む): 2171232

約数和(自身を除く): 1180852

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 2153, 4306, 8612, 10765, 21530, 43060, 49519, 99038, 198076, 247595, 495190, 990380]

約数ペア:

[(1, 990380), (2, 495190), (4, 247595), (5, 198076), (10, 99038), (20, 49519), (23, 43060), (46, 21530), (92, 10765), (115, 8612), (230, 4306), (460, 2153)]