16442860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{457}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 39703104

約数和(自身を除く): 23260244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 457, 514, 914, 1028, 1285, 1799, 1828, 2285, 2570, 3199, 3598, 4570, 5140, 6398, 7196, 8995, 9140, 12796, 15995, 17990, 31990, 35980, 63980, 117449, 234898, 469796, 587245, 822143, 1174490, 1644286, 2348980, 3288572, 4110715, 8221430, 16442860]

約数ペア:

[(1, 16442860), (2, 8221430), (4, 4110715), (5, 3288572), (7, 2348980), (10, 1644286), (14, 1174490), (20, 822143), (28, 587245), (35, 469796), (70, 234898), (140, 117449), (257, 63980), (457, 35980), (514, 31990), (914, 17990), (1028, 15995), (1285, 12796), (1799, 9140), (1828, 8995), (2285, 7196), (2570, 6398), (3199, 5140), (3598, 4570)]