2905205.00000000

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 145981440

約数和(自身を除く): 68730742

約数列:

[1, 2, 7, 14, 23, 31, 46, 62, 71, 109, 142, 161, 217, 218, 322, 434, 497, 713, 763, 994, 1426, 1526, 1633, 2201, 2507, 3266, 3379, 4402, 4991, 5014, 6758, 7739, 9982, 11431, 15407, 15478, 17549, 22862, 23653, 30814, 35098, 47306, 50623, 54173, 77717, 101246, 108346, 155434, 177997, 239909, 354361, 355994, 479818, 544019, 708722, 1088038, 1245979, 1679363, 2491958, 3358726, 5517907, 11035814, 38625349, 77250698]

約数ペア:

[(1, 77250698), (2, 38625349), (7, 11035814), (14, 5517907), (23, 3358726), (31, 2491958), (46, 1679363), (62, 1245979), (71, 1088038), (109, 708722), (142, 544019), (161, 479818), (217, 355994), (218, 354361), (322, 239909), (434, 177997), (497, 155434), (713, 108346), (763, 101246), (994, 77717), (1426, 54173), (1526, 50623), (1633, 47306), (2201, 35098), (2507, 30814), (3266, 23653), (3379, 22862), (4402, 17549), (4991, 15478), (5014, 15407), (6758, 11431), (7739, 9982)]