2044840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 5385600

約数和(自身を除く): 3340760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 109, 134, 140, 218, 268, 280, 335, 436, 469, 536, 545, 670, 763, 872, 938, 1090, 1340, 1526, 1876, 2180, 2345, 2680, 3052, 3752, 3815, 4360, 4690, 6104, 7303, 7630, 9380, 14606, 15260, 18760, 29212, 30520, 36515, 51121, 58424, 73030, 102242, 146060, 204484, 255605, 292120, 408968, 511210, 1022420, 2044840]

約数ペア:

[(1, 2044840), (2, 1022420), (4, 511210), (5, 408968), (7, 292120), (8, 255605), (10, 204484), (14, 146060), (20, 102242), (28, 73030), (35, 58424), (40, 51121), (56, 36515), (67, 30520), (70, 29212), (109, 18760), (134, 15260), (140, 14606), (218, 9380), (268, 7630), (280, 7303), (335, 6104), (436, 4690), (469, 4360), (536, 3815), (545, 3752), (670, 3052), (763, 2680), (872, 2345), (938, 2180), (1090, 1876), (1340, 1526)]