53145260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2731}}^1$

素因数の和:2886

約数の個数: 48

約数和(自身を含む): 128513280

約数和(自身を除く): 75368020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2731, 2780, 3892, 4865, 5462, 9730, 10924, 13655, 19117, 19460, 27310, 38234, 54620, 76468, 95585, 191170, 379609, 382340, 759218, 1518436, 1898045, 2657263, 3796090, 5314526, 7592180, 10629052, 13286315, 26572630, 53145260]

約数ペア:

[(1, 53145260), (2, 26572630), (4, 13286315), (5, 10629052), (7, 7592180), (10, 5314526), (14, 3796090), (20, 2657263), (28, 1898045), (35, 1518436), (70, 759218), (139, 382340), (140, 379609), (278, 191170), (556, 95585), (695, 76468), (973, 54620), (1390, 38234), (1946, 27310), (2731, 19460), (2780, 19117), (3892, 13655), (4865, 10924), (5462, 9730)]