200910220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{21419}}^1$

素因数の和:21502

約数の個数: 48

約数和(自身を含む): 489404160

約数和(自身を除く): 288493940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 21419, 42838, 85676, 107095, 149933, 214190, 299866, 428380, 599732, 749665, 1435073, 1499330, 2870146, 2998660, 5740292, 7175365, 10045511, 14350730, 20091022, 28701460, 40182044, 50227555, 100455110, 200910220]

約数ペア:

[(1, 200910220), (2, 100455110), (4, 50227555), (5, 40182044), (7, 28701460), (10, 20091022), (14, 14350730), (20, 10045511), (28, 7175365), (35, 5740292), (67, 2998660), (70, 2870146), (134, 1499330), (140, 1435073), (268, 749665), (335, 599732), (469, 428380), (670, 299866), (938, 214190), (1340, 149933), (1876, 107095), (2345, 85676), (4690, 42838), (9380, 21419)]