211927720

素因数分解:

$2^3\times 5^1\times {\mathrm{967}}^1\times {\mathrm{5479}}^1$

素因数の和:6457

約数の個数: 32

約数和(自身を含む): 477417600

約数和(自身を除く): 265489880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 967, 1934, 3868, 4835, 5479, 7736, 9670, 10958, 19340, 21916, 27395, 38680, 43832, 54790, 109580, 219160, 5298193, 10596386, 21192772, 26490965, 42385544, 52981930, 105963860, 211927720]

約数ペア:

[(1, 211927720), (2, 105963860), (4, 52981930), (5, 42385544), (8, 26490965), (10, 21192772), (20, 10596386), (40, 5298193), (967, 219160), (1934, 109580), (3868, 54790), (4835, 43832), (5479, 38680), (7736, 27395), (9670, 21916), (10958, 19340)]