388384760

素因数分解:

$2^3\times 5^1\times {\mathrm{9709619}}^1$

素因数の和:9709630

約数の個数: 16

約数和(自身を含む): 873865800

約数和(自身を除く): 485481040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9709619, 19419238, 38838476, 48548095, 77676952, 97096190, 194192380, 388384760]

約数ペア:

[(1, 388384760), (2, 194192380), (4, 97096190), (5, 77676952), (8, 48548095), (10, 38838476), (20, 19419238), (40, 9709619)]