212774320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5623}}^1$

素因数の和:5690

約数の個数: 80

約数和(自身を含む): 552321792

約数和(自身を除く): 339547472

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1892, 2365, 3440, 3784, 4730, 5623, 7568, 9460, 11246, 18920, 22492, 28115, 37840, 44984, 56230, 61853, 89968, 112460, 123706, 224920, 241789, 247412, 309265, 449840, 483578, 494824, 618530, 967156, 989648, 1208945, 1237060, 1934312, 2417890, 2474120, 2659679, 3868624, 4835780, 4948240, 5319358, 9671560, 10638716, 13298395, 19343120, 21277432, 26596790, 42554864, 53193580, 106387160, 212774320]

約数ペア:

[(1, 212774320), (2, 106387160), (4, 53193580), (5, 42554864), (8, 26596790), (10, 21277432), (11, 19343120), (16, 13298395), (20, 10638716), (22, 9671560), (40, 5319358), (43, 4948240), (44, 4835780), (55, 3868624), (80, 2659679), (86, 2474120), (88, 2417890), (110, 1934312), (172, 1237060), (176, 1208945), (215, 989648), (220, 967156), (344, 618530), (430, 494824), (440, 483578), (473, 449840), (688, 309265), (860, 247412), (880, 241789), (946, 224920), (1720, 123706), (1892, 112460), (2365, 89968), (3440, 61853), (3784, 56230), (4730, 44984), (5623, 37840), (7568, 28115), (9460, 22492), (11246, 18920)]