239569280

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2693}}^1$

素因数の和:2851

約数の個数: 64

約数和(自身を含む): 577054800

約数和(自身を除く): 337485520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 556, 640, 695, 1112, 1390, 2224, 2693, 2780, 4448, 5386, 5560, 8896, 10772, 11120, 13465, 17792, 21544, 22240, 26930, 43088, 44480, 53860, 86176, 88960, 107720, 172352, 215440, 344704, 374327, 430880, 748654, 861760, 1497308, 1723520, 1871635, 2994616, 3743270, 5989232, 7486540, 11978464, 14973080, 23956928, 29946160, 47913856, 59892320, 119784640, 239569280]

約数ペア:

[(1, 239569280), (2, 119784640), (4, 59892320), (5, 47913856), (8, 29946160), (10, 23956928), (16, 14973080), (20, 11978464), (32, 7486540), (40, 5989232), (64, 3743270), (80, 2994616), (128, 1871635), (139, 1723520), (160, 1497308), (278, 861760), (320, 748654), (556, 430880), (640, 374327), (695, 344704), (1112, 215440), (1390, 172352), (2224, 107720), (2693, 88960), (2780, 86176), (4448, 53860), (5386, 44480), (5560, 43088), (8896, 26930), (10772, 22240), (11120, 21544), (13465, 17792)]