201538040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{4447}}^1$

素因数の和:4572

約数の個数: 64

約数和(自身を含む): 499599360

約数和(自身を除く): 298061320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 206, 220, 412, 440, 515, 824, 1030, 1133, 2060, 2266, 4120, 4447, 4532, 5665, 8894, 9064, 11330, 17788, 22235, 22660, 35576, 44470, 45320, 48917, 88940, 97834, 177880, 195668, 244585, 391336, 458041, 489170, 916082, 978340, 1832164, 1956680, 2290205, 3664328, 4580410, 5038451, 9160820, 10076902, 18321640, 20153804, 25192255, 40307608, 50384510, 100769020, 201538040]

約数ペア:

[(1, 201538040), (2, 100769020), (4, 50384510), (5, 40307608), (8, 25192255), (10, 20153804), (11, 18321640), (20, 10076902), (22, 9160820), (40, 5038451), (44, 4580410), (55, 3664328), (88, 2290205), (103, 1956680), (110, 1832164), (206, 978340), (220, 916082), (412, 489170), (440, 458041), (515, 391336), (824, 244585), (1030, 195668), (1133, 177880), (2060, 97834), (2266, 88940), (4120, 48917), (4447, 45320), (4532, 44470), (5665, 35576), (8894, 22660), (9064, 22235), (11330, 17788)]