212603825

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1487}}^1$

素因数の和:1566

約数の個数: 48

約数和(自身を含む): 324741120

約数和(自身を除く): 112137295

約数列:

[1, 5, 7, 19, 25, 35, 43, 95, 133, 175, 215, 301, 475, 665, 817, 1075, 1487, 1505, 3325, 4085, 5719, 7435, 7525, 10409, 20425, 28253, 28595, 37175, 52045, 63941, 141265, 142975, 197771, 260225, 319705, 447587, 706325, 988855, 1214879, 1598525, 2237935, 4944275, 6074395, 8504153, 11189675, 30371975, 42520765, 212603825]

約数ペア:

[(1, 212603825), (5, 42520765), (7, 30371975), (19, 11189675), (25, 8504153), (35, 6074395), (43, 4944275), (95, 2237935), (133, 1598525), (175, 1214879), (215, 988855), (301, 706325), (475, 447587), (665, 319705), (817, 260225), (1075, 197771), (1487, 142975), (1505, 141265), (3325, 63941), (4085, 52045), (5719, 37175), (7435, 28595), (7525, 28253), (10409, 20425)]