77139440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{991}}^1$

素因数の和:1150

約数の個数: 80

約数和(自身を含む): 206653440

約数和(自身を除く): 129514000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 973, 991, 1112, 1390, 1946, 1982, 2224, 2780, 3892, 3964, 4865, 4955, 5560, 6937, 7784, 7928, 9730, 9910, 11120, 13874, 15568, 15856, 19460, 19820, 27748, 34685, 38920, 39640, 55496, 69370, 77840, 79280, 110992, 137749, 138740, 275498, 277480, 550996, 554960, 688745, 964243, 1101992, 1377490, 1928486, 2203984, 2754980, 3856972, 4821215, 5509960, 7713944, 9642430, 11019920, 15427888, 19284860, 38569720, 77139440]

約数ペア:

[(1, 77139440), (2, 38569720), (4, 19284860), (5, 15427888), (7, 11019920), (8, 9642430), (10, 7713944), (14, 5509960), (16, 4821215), (20, 3856972), (28, 2754980), (35, 2203984), (40, 1928486), (56, 1377490), (70, 1101992), (80, 964243), (112, 688745), (139, 554960), (140, 550996), (278, 277480), (280, 275498), (556, 138740), (560, 137749), (695, 110992), (973, 79280), (991, 77840), (1112, 69370), (1390, 55496), (1946, 39640), (1982, 38920), (2224, 34685), (2780, 27748), (3892, 19820), (3964, 19460), (4865, 15856), (4955, 15568), (5560, 13874), (6937, 11120), (7784, 9910), (7928, 9730)]