66840940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{6779}}^1$

素因数の和:6834

約数の個数: 48

約数和(自身を含む): 153770400

約数和(自身を除く): 86929460

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 6779, 9860, 13558, 27116, 33895, 67790, 115243, 135580, 196591, 230486, 393182, 460972, 576215, 786364, 982955, 1152430, 1965910, 2304860, 3342047, 3931820, 6684094, 13368188, 16710235, 33420470, 66840940]

約数ペア:

[(1, 66840940), (2, 33420470), (4, 16710235), (5, 13368188), (10, 6684094), (17, 3931820), (20, 3342047), (29, 2304860), (34, 1965910), (58, 1152430), (68, 982955), (85, 786364), (116, 576215), (145, 460972), (170, 393182), (290, 230486), (340, 196591), (493, 135580), (580, 115243), (986, 67790), (1972, 33895), (2465, 27116), (4930, 13558), (6779, 9860)]