15208400

素因数分解:

$2^4\times 5^2\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:408

約数の個数: 60

約数和(自身を含む): 36913932

約数和(自身を除く): 21705532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 193, 197, 200, 386, 394, 400, 772, 788, 965, 985, 1544, 1576, 1930, 1970, 3088, 3152, 3860, 3940, 4825, 4925, 7720, 7880, 9650, 9850, 15440, 15760, 19300, 19700, 38021, 38600, 39400, 76042, 77200, 78800, 152084, 190105, 304168, 380210, 608336, 760420, 950525, 1520840, 1901050, 3041680, 3802100, 7604200, 15208400]

約数ペア:

[(1, 15208400), (2, 7604200), (4, 3802100), (5, 3041680), (8, 1901050), (10, 1520840), (16, 950525), (20, 760420), (25, 608336), (40, 380210), (50, 304168), (80, 190105), (100, 152084), (193, 78800), (197, 77200), (200, 76042), (386, 39400), (394, 38600), (400, 38021), (772, 19700), (788, 19300), (965, 15760), (985, 15440), (1544, 9850), (1576, 9650), (1930, 7880), (1970, 7720), (3088, 4925), (3152, 4825), (3860, 3940)]