1981210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 64

約数和(自身を含む): 4644864

約数和(自身を除く): 2663654

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 55, 62, 70, 77, 83, 110, 154, 155, 166, 217, 310, 341, 385, 415, 434, 581, 682, 770, 830, 913, 1085, 1162, 1705, 1826, 2170, 2387, 2573, 2905, 3410, 4565, 4774, 5146, 5810, 6391, 9130, 11935, 12782, 12865, 18011, 23870, 25730, 28303, 31955, 36022, 56606, 63910, 90055, 141515, 180110, 198121, 283030, 396242, 990605, 1981210]

約数ペア:

[(1, 1981210), (2, 990605), (5, 396242), (7, 283030), (10, 198121), (11, 180110), (14, 141515), (22, 90055), (31, 63910), (35, 56606), (55, 36022), (62, 31955), (70, 28303), (77, 25730), (83, 23870), (110, 18011), (154, 12865), (155, 12782), (166, 11935), (217, 9130), (310, 6391), (341, 5810), (385, 5146), (415, 4774), (434, 4565), (581, 3410), (682, 2905), (770, 2573), (830, 2387), (913, 2170), (1085, 1826), (1162, 1705)]