215512660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{10099}}^1$

素因数の和:10216

約数の個数: 48

約数和(自身を含む): 498859200

約数和(自身を除く): 283346540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1940, 2134, 4268, 5335, 10099, 10670, 20198, 21340, 40396, 50495, 100990, 111089, 201980, 222178, 444356, 555445, 979603, 1110890, 1959206, 2221780, 3918412, 4898015, 9796030, 10775633, 19592060, 21551266, 43102532, 53878165, 107756330, 215512660]

約数ペア:

[(1, 215512660), (2, 107756330), (4, 53878165), (5, 43102532), (10, 21551266), (11, 19592060), (20, 10775633), (22, 9796030), (44, 4898015), (55, 3918412), (97, 2221780), (110, 1959206), (194, 1110890), (220, 979603), (388, 555445), (485, 444356), (970, 222178), (1067, 201980), (1940, 111089), (2134, 100990), (4268, 50495), (5335, 40396), (10099, 21340), (10670, 20198)]