260890210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{7499}}^1$

素因数の和:7591

約数の個数: 48

約数和(自身を含む): 554040000

約数和(自身を除く): 293149790

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 355, 490, 497, 710, 994, 2485, 3479, 4970, 6958, 7499, 14998, 17395, 34790, 37495, 52493, 74990, 104986, 262465, 367451, 524930, 532429, 734902, 1064858, 1837255, 2662145, 3674510, 3727003, 5324290, 7454006, 18635015, 26089021, 37270030, 52178042, 130445105, 260890210]

約数ペア:

[(1, 260890210), (2, 130445105), (5, 52178042), (7, 37270030), (10, 26089021), (14, 18635015), (35, 7454006), (49, 5324290), (70, 3727003), (71, 3674510), (98, 2662145), (142, 1837255), (245, 1064858), (355, 734902), (490, 532429), (497, 524930), (710, 367451), (994, 262465), (2485, 104986), (3479, 74990), (4970, 52493), (6958, 37495), (7499, 34790), (14998, 17395)]