720049972

素因数分解:

$2^2\times {\mathrm{197}}^1\times {\mathrm{379}}^1\times {\mathrm{2411}}^1$

素因数の和:2991

約数の個数: 24

約数和(自身を含む): 1270352160

約数和(自身を除く): 550302188

約数列:

[1, 2, 4, 197, 379, 394, 758, 788, 1516, 2411, 4822, 9644, 74663, 149326, 298652, 474967, 913769, 949934, 1827538, 1899868, 3655076, 180012493, 360024986, 720049972]

約数ペア:

[(1, 720049972), (2, 360024986), (4, 180012493), (197, 3655076), (379, 1899868), (394, 1827538), (758, 949934), (788, 913769), (1516, 474967), (2411, 298652), (4822, 149326), (9644, 74663)]