256245110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{16759}}^1$

素因数の和:16916

約数の個数: 32

約数和(自身を含む): 506822400

約数和(自身を除く): 250577290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 278, 695, 1390, 1529, 3058, 7645, 15290, 16759, 33518, 83795, 167590, 184349, 368698, 921745, 1843490, 2329501, 4659002, 11647505, 23295010, 25624511, 51249022, 128122555, 256245110]

約数ペア:

[(1, 256245110), (2, 128122555), (5, 51249022), (10, 25624511), (11, 23295010), (22, 11647505), (55, 4659002), (110, 2329501), (139, 1843490), (278, 921745), (695, 368698), (1390, 184349), (1529, 167590), (3058, 83795), (7645, 33518), (15290, 16759)]