53718140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1493}}^1$

素因数の和:1766

約数の個数: 48

約数和(自身を含む): 129511872

約数和(自身を除く): 75793732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1493, 1799, 2570, 2986, 3598, 5140, 5972, 7196, 7465, 8995, 10451, 14930, 17990, 20902, 29860, 35980, 41804, 52255, 104510, 209020, 383701, 767402, 1534804, 1918505, 2685907, 3837010, 5371814, 7674020, 10743628, 13429535, 26859070, 53718140]

約数ペア:

[(1, 53718140), (2, 26859070), (4, 13429535), (5, 10743628), (7, 7674020), (10, 5371814), (14, 3837010), (20, 2685907), (28, 1918505), (35, 1534804), (70, 767402), (140, 383701), (257, 209020), (514, 104510), (1028, 52255), (1285, 41804), (1493, 35980), (1799, 29860), (2570, 20902), (2986, 17990), (3598, 14930), (5140, 10451), (5972, 8995), (7196, 7465)]