54917240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{28019}}^1$

素因数の和:28044

約数の個数: 48

約数和(自身を含む): 143742600

約数和(自身を除く): 88825360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 28019, 56038, 112076, 140095, 196133, 224152, 280190, 392266, 560380, 784532, 980665, 1120760, 1372931, 1569064, 1961330, 2745862, 3922660, 5491724, 6864655, 7845320, 10983448, 13729310, 27458620, 54917240]

約数ペア:

[(1, 54917240), (2, 27458620), (4, 13729310), (5, 10983448), (7, 7845320), (8, 6864655), (10, 5491724), (14, 3922660), (20, 2745862), (28, 1961330), (35, 1569064), (40, 1372931), (49, 1120760), (56, 980665), (70, 784532), (98, 560380), (140, 392266), (196, 280190), (245, 224152), (280, 196133), (392, 140095), (490, 112076), (980, 56038), (1960, 28019)]