191557540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1\times {\mathrm{337}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 409015152

約数和(自身を除く): 217457612

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 293, 337, 388, 485, 586, 674, 970, 1172, 1348, 1465, 1685, 1940, 2930, 3370, 5860, 6740, 28421, 32689, 56842, 65378, 98741, 113684, 130756, 142105, 163445, 197482, 284210, 326890, 394964, 493705, 568420, 653780, 987410, 1974820, 9577877, 19155754, 38311508, 47889385, 95778770, 191557540]

約数ペア:

[(1, 191557540), (2, 95778770), (4, 47889385), (5, 38311508), (10, 19155754), (20, 9577877), (97, 1974820), (194, 987410), (293, 653780), (337, 568420), (388, 493705), (485, 394964), (586, 326890), (674, 284210), (970, 197482), (1172, 163445), (1348, 142105), (1465, 130756), (1685, 113684), (1940, 98741), (2930, 65378), (3370, 56842), (5860, 32689), (6740, 28421)]