326157050

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{409}}^1$

素因数の和:851

約数の個数: 48

約数和(自身を含む): 624569400

約数和(自身を除く): 298412350

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 389, 409, 410, 778, 818, 1025, 1945, 2045, 2050, 3890, 4090, 9725, 10225, 15949, 16769, 19450, 20450, 31898, 33538, 79745, 83845, 159101, 159490, 167690, 318202, 398725, 419225, 795505, 797450, 838450, 1591010, 3977525, 6523141, 7955050, 13046282, 32615705, 65231410, 163078525, 326157050]

約数ペア:

[(1, 326157050), (2, 163078525), (5, 65231410), (10, 32615705), (25, 13046282), (41, 7955050), (50, 6523141), (82, 3977525), (205, 1591010), (389, 838450), (409, 797450), (410, 795505), (778, 419225), (818, 398725), (1025, 318202), (1945, 167690), (2045, 159490), (2050, 159101), (3890, 83845), (4090, 79745), (9725, 33538), (10225, 31898), (15949, 20450), (16769, 19450)]