991066460

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{13807}}^1$

素因数の和:13950

約数の個数: 48

約数和(自身を含む): 2159681664

約数和(自身を除く): 1168615204

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 97, 148, 185, 194, 370, 388, 485, 740, 970, 1940, 3589, 7178, 13807, 14356, 17945, 27614, 35890, 55228, 69035, 71780, 138070, 276140, 510859, 1021718, 1339279, 2043436, 2554295, 2678558, 5108590, 5357116, 6696395, 10217180, 13392790, 26785580, 49553323, 99106646, 198213292, 247766615, 495533230, 991066460]

約数ペア:

[(1, 991066460), (2, 495533230), (4, 247766615), (5, 198213292), (10, 99106646), (20, 49553323), (37, 26785580), (74, 13392790), (97, 10217180), (148, 6696395), (185, 5357116), (194, 5108590), (370, 2678558), (388, 2554295), (485, 2043436), (740, 1339279), (970, 1021718), (1940, 510859), (3589, 276140), (7178, 138070), (13807, 71780), (14356, 69035), (17945, 55228), (27614, 35890)]