210319278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{859}}^1$

素因数の和:993

約数の個数: 64

約数和(自身を含む): 470426880

約数和(自身を除く): 260107602

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 73, 78, 86, 129, 146, 219, 258, 438, 559, 859, 949, 1118, 1677, 1718, 1898, 2577, 2847, 3139, 3354, 5154, 5694, 6278, 9417, 11167, 18834, 22334, 33501, 36937, 40807, 62707, 67002, 73874, 81614, 110811, 122421, 125414, 188121, 221622, 244842, 376242, 480181, 815191, 960362, 1440543, 1630382, 2445573, 2696401, 2881086, 4891146, 5392802, 8089203, 16178406, 35053213, 70106426, 105159639, 210319278]

約数ペア:

[(1, 210319278), (2, 105159639), (3, 70106426), (6, 35053213), (13, 16178406), (26, 8089203), (39, 5392802), (43, 4891146), (73, 2881086), (78, 2696401), (86, 2445573), (129, 1630382), (146, 1440543), (219, 960362), (258, 815191), (438, 480181), (559, 376242), (859, 244842), (949, 221622), (1118, 188121), (1677, 125414), (1718, 122421), (1898, 110811), (2577, 81614), (2847, 73874), (3139, 67002), (3354, 62707), (5154, 40807), (5694, 36937), (6278, 33501), (9417, 22334), (11167, 18834)]