561255100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1213}}^1$

素因数の和:1895

約数の個数: 72

約数和(自身を含む): 1395167648

約数和(自身を除く): 833912548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 661, 700, 1213, 1322, 2426, 2644, 3305, 4627, 4852, 6065, 6610, 8491, 9254, 12130, 13220, 16525, 16982, 18508, 23135, 24260, 30325, 33050, 33964, 42455, 46270, 60650, 66100, 84910, 92540, 115675, 121300, 169820, 212275, 231350, 424550, 462700, 801793, 849100, 1603586, 3207172, 4008965, 5612551, 8017930, 11225102, 16035860, 20044825, 22450204, 28062755, 40089650, 56125510, 80179300, 112251020, 140313775, 280627550, 561255100]

約数ペア:

[(1, 561255100), (2, 280627550), (4, 140313775), (5, 112251020), (7, 80179300), (10, 56125510), (14, 40089650), (20, 28062755), (25, 22450204), (28, 20044825), (35, 16035860), (50, 11225102), (70, 8017930), (100, 5612551), (140, 4008965), (175, 3207172), (350, 1603586), (661, 849100), (700, 801793), (1213, 462700), (1322, 424550), (2426, 231350), (2644, 212275), (3305, 169820), (4627, 121300), (4852, 115675), (6065, 92540), (6610, 84910), (8491, 66100), (9254, 60650), (12130, 46270), (13220, 42455), (16525, 33964), (16982, 33050), (18508, 30325), (23135, 24260)]