198926750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{72337}}^1$

素因数の和:72365

約数の個数: 32

約数和(自身を含む): 406250208

約数和(自身を除く): 207323458

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 72337, 144674, 361685, 723370, 795707, 1591414, 1808425, 3616850, 3978535, 7957070, 9042125, 18084250, 19892675, 39785350, 99463375, 198926750]

約数ペア:

[(1, 198926750), (2, 99463375), (5, 39785350), (10, 19892675), (11, 18084250), (22, 9042125), (25, 7957070), (50, 3978535), (55, 3616850), (110, 1808425), (125, 1591414), (250, 795707), (275, 723370), (550, 361685), (1375, 144674), (2750, 72337)]