720020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 1787520

約数和(自身を除く): 1067500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 139, 140, 148, 185, 259, 278, 370, 518, 556, 695, 740, 973, 1036, 1295, 1390, 1946, 2590, 2780, 3892, 4865, 5143, 5180, 9730, 10286, 19460, 20572, 25715, 36001, 51430, 72002, 102860, 144004, 180005, 360010, 720020]

約数ペア:

[(1, 720020), (2, 360010), (4, 180005), (5, 144004), (7, 102860), (10, 72002), (14, 51430), (20, 36001), (28, 25715), (35, 20572), (37, 19460), (70, 10286), (74, 9730), (139, 5180), (140, 5143), (148, 4865), (185, 3892), (259, 2780), (278, 2590), (370, 1946), (518, 1390), (556, 1295), (695, 1036), (740, 973)]