5001220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 12136320

約数和(自身を除く): 7135100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 257, 278, 514, 556, 695, 973, 1028, 1285, 1390, 1799, 1946, 2570, 2780, 3598, 3892, 4865, 5140, 7196, 8995, 9730, 17990, 19460, 35723, 35980, 71446, 142892, 178615, 250061, 357230, 500122, 714460, 1000244, 1250305, 2500610, 5001220]

約数ペア:

[(1, 5001220), (2, 2500610), (4, 1250305), (5, 1000244), (7, 714460), (10, 500122), (14, 357230), (20, 250061), (28, 178615), (35, 142892), (70, 71446), (139, 35980), (140, 35723), (257, 19460), (278, 17990), (514, 9730), (556, 8995), (695, 7196), (973, 5140), (1028, 4865), (1285, 3892), (1390, 3598), (1799, 2780), (1946, 2570)]