201017800

素因数分解:

$2^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{9221}}^1$

素因数の和:9346

約数の個数: 48

約数和(自身を含む): 471705300

約数和(自身を除く): 270687500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 200, 218, 436, 545, 872, 1090, 2180, 2725, 4360, 5450, 9221, 10900, 18442, 21800, 36884, 46105, 73768, 92210, 184420, 230525, 368840, 461050, 922100, 1005089, 1844200, 2010178, 4020356, 5025445, 8040712, 10050890, 20101780, 25127225, 40203560, 50254450, 100508900, 201017800]

約数ペア:

[(1, 201017800), (2, 100508900), (4, 50254450), (5, 40203560), (8, 25127225), (10, 20101780), (20, 10050890), (25, 8040712), (40, 5025445), (50, 4020356), (100, 2010178), (109, 1844200), (200, 1005089), (218, 922100), (436, 461050), (545, 368840), (872, 230525), (1090, 184420), (2180, 92210), (2725, 73768), (4360, 46105), (5450, 36884), (9221, 21800), (10900, 18442)]