78170260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1973}}^1$

素因数の和:2272

約数の個数: 48

約数和(自身を含む): 188366976

約数和(自身を除く): 110196716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283, 566, 1132, 1415, 1973, 1981, 2830, 3946, 3962, 5660, 7892, 7924, 9865, 9905, 13811, 19730, 19810, 27622, 39460, 39620, 55244, 69055, 138110, 276220, 558359, 1116718, 2233436, 2791795, 3908513, 5583590, 7817026, 11167180, 15634052, 19542565, 39085130, 78170260]

約数ペア:

[(1, 78170260), (2, 39085130), (4, 19542565), (5, 15634052), (7, 11167180), (10, 7817026), (14, 5583590), (20, 3908513), (28, 2791795), (35, 2233436), (70, 1116718), (140, 558359), (283, 276220), (566, 138110), (1132, 69055), (1415, 55244), (1973, 39620), (1981, 39460), (2830, 27622), (3946, 19810), (3962, 19730), (5660, 13811), (7892, 9905), (7924, 9865)]