199920170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{10789}}^1$

素因数の和:10922

約数の個数: 32

約数和(自身を含む): 384555600

約数和(自身を除く): 184635430

約数列:

[1, 2, 5, 10, 17, 34, 85, 109, 170, 218, 545, 1090, 1853, 3706, 9265, 10789, 18530, 21578, 53945, 107890, 183413, 366826, 917065, 1176001, 1834130, 2352002, 5880005, 11760010, 19992017, 39984034, 99960085, 199920170]

約数ペア:

[(1, 199920170), (2, 99960085), (5, 39984034), (10, 19992017), (17, 11760010), (34, 5880005), (85, 2352002), (109, 1834130), (170, 1176001), (218, 917065), (545, 366826), (1090, 183413), (1853, 107890), (3706, 53945), (9265, 21578), (10789, 18530)]