1233220

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 2611224

約数和(自身を除く): 1378004

約数列:

[1, 2, 4, 5, 10, 20, 197, 313, 394, 626, 788, 985, 1252, 1565, 1970, 3130, 3940, 6260, 61661, 123322, 246644, 308305, 616610, 1233220]

約数ペア:

[(1, 1233220), (2, 616610), (4, 308305), (5, 246644), (10, 123322), (20, 61661), (197, 6260), (313, 3940), (394, 3130), (626, 1970), (788, 1565), (985, 1252)]