199893700

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{25303}}^1$

素因数の和:25396

約数の個数: 36

約数和(自身を含む): 439277440

約数和(自身を除く): 239383740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 7900, 25303, 50606, 101212, 126515, 253030, 506060, 632575, 1265150, 1998937, 2530300, 3997874, 7995748, 9994685, 19989370, 39978740, 49973425, 99946850, 199893700]

約数ペア:

[(1, 199893700), (2, 99946850), (4, 49973425), (5, 39978740), (10, 19989370), (20, 9994685), (25, 7995748), (50, 3997874), (79, 2530300), (100, 1998937), (158, 1265150), (316, 632575), (395, 506060), (790, 253030), (1580, 126515), (1975, 101212), (3950, 50606), (7900, 25303)]