78974840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{282053}}^1$

素因数の和:282071

約数の個数: 32

約数和(自身を含む): 203078880

約数和(自身を除く): 124104040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 282053, 564106, 1128212, 1410265, 1974371, 2256424, 2820530, 3948742, 5641060, 7897484, 9871855, 11282120, 15794968, 19743710, 39487420, 78974840]

約数ペア:

[(1, 78974840), (2, 39487420), (4, 19743710), (5, 15794968), (7, 11282120), (8, 9871855), (10, 7897484), (14, 5641060), (20, 3948742), (28, 2820530), (35, 2256424), (40, 1974371), (56, 1410265), (70, 1128212), (140, 564106), (280, 282053)]