318388396

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{30139}}^1$

素因数の和:30301

約数の個数: 24

約数和(自身を含む): 590744000

約数和(自身を除く): 272355604

約数列:

[1, 2, 4, 19, 38, 76, 139, 278, 556, 2641, 5282, 10564, 30139, 60278, 120556, 572641, 1145282, 2290564, 4189321, 8378642, 16757284, 79597099, 159194198, 318388396]

約数ペア:

[(1, 318388396), (2, 159194198), (4, 79597099), (19, 16757284), (38, 8378642), (76, 4189321), (139, 2290564), (278, 1145282), (556, 572641), (2641, 120556), (5282, 60278), (10564, 30139)]