276645890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{3631}}^1$

素因数の和:4058

約数の個数: 32

約数和(自身を含む): 525623040

約数和(自身を除く): 248977150

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 401, 802, 2005, 3631, 4010, 7262, 7619, 15238, 18155, 36310, 38095, 68989, 76190, 137978, 344945, 689890, 1456031, 2912062, 7280155, 14560310, 27664589, 55329178, 138322945, 276645890]

約数ペア:

[(1, 276645890), (2, 138322945), (5, 55329178), (10, 27664589), (19, 14560310), (38, 7280155), (95, 2912062), (190, 1456031), (401, 689890), (802, 344945), (2005, 137978), (3631, 76190), (4010, 68989), (7262, 38095), (7619, 36310), (15238, 18155)]