14427980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{401}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 34848576

約数和(自身を除く): 20420596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 401, 514, 802, 1028, 1285, 1604, 1799, 2005, 2570, 2807, 3598, 4010, 5140, 5614, 7196, 8020, 8995, 11228, 14035, 17990, 28070, 35980, 56140, 103057, 206114, 412228, 515285, 721399, 1030570, 1442798, 2061140, 2885596, 3606995, 7213990, 14427980]

約数ペア:

[(1, 14427980), (2, 7213990), (4, 3606995), (5, 2885596), (7, 2061140), (10, 1442798), (14, 1030570), (20, 721399), (28, 515285), (35, 412228), (70, 206114), (140, 103057), (257, 56140), (401, 35980), (514, 28070), (802, 17990), (1028, 14035), (1285, 11228), (1604, 8995), (1799, 8020), (2005, 7196), (2570, 5614), (2807, 5140), (3598, 4010)]