188158660

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{96989}}^1$

素因数の和:97095

約数の個数: 24

約数和(自身を含む): 399210840

約数和(自身を除く): 211052180

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 96989, 193978, 387956, 484945, 969890, 1939780, 9407933, 18815866, 37631732, 47039665, 94079330, 188158660]

約数ペア:

[(1, 188158660), (2, 94079330), (4, 47039665), (5, 37631732), (10, 18815866), (20, 9407933), (97, 1939780), (194, 969890), (388, 484945), (485, 387956), (970, 193978), (1940, 96989)]