27524840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{499}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 71280000

約数和(自身を除く): 43755160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 499, 788, 985, 998, 1379, 1576, 1970, 1996, 2495, 2758, 3493, 3940, 3992, 4990, 5516, 6895, 6986, 7880, 9980, 11032, 13790, 13972, 17465, 19960, 27580, 27944, 34930, 55160, 69860, 98303, 139720, 196606, 393212, 491515, 688121, 786424, 983030, 1376242, 1966060, 2752484, 3440605, 3932120, 5504968, 6881210, 13762420, 27524840]

約数ペア:

[(1, 27524840), (2, 13762420), (4, 6881210), (5, 5504968), (7, 3932120), (8, 3440605), (10, 2752484), (14, 1966060), (20, 1376242), (28, 983030), (35, 786424), (40, 688121), (56, 491515), (70, 393212), (140, 196606), (197, 139720), (280, 98303), (394, 69860), (499, 55160), (788, 34930), (985, 27944), (998, 27580), (1379, 19960), (1576, 17465), (1970, 13972), (1996, 13790), (2495, 11032), (2758, 9980), (3493, 7880), (3940, 6986), (3992, 6895), (4990, 5516)]