2057660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 4838400

約数和(自身を除く): 2780740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 199, 220, 235, 398, 470, 517, 796, 940, 995, 1034, 1990, 2068, 2189, 2585, 3980, 4378, 5170, 8756, 9353, 10340, 10945, 18706, 21890, 37412, 43780, 46765, 93530, 102883, 187060, 205766, 411532, 514415, 1028830, 2057660]

約数ペア:

[(1, 2057660), (2, 1028830), (4, 514415), (5, 411532), (10, 205766), (11, 187060), (20, 102883), (22, 93530), (44, 46765), (47, 43780), (55, 37412), (94, 21890), (110, 18706), (188, 10945), (199, 10340), (220, 9353), (235, 8756), (398, 5170), (470, 4378), (517, 3980), (796, 2585), (940, 2189), (995, 2068), (1034, 1990)]