5040140

素因数分解:

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

素因数の和:199

約数の個数: 72

約数和(自身を含む): 12736080

約数和(自身を除く): 7695940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 139, 140, 148, 185, 196, 245, 259, 278, 370, 490, 518, 556, 695, 740, 973, 980, 1036, 1295, 1390, 1813, 1946, 2590, 2780, 3626, 3892, 4865, 5143, 5180, 6811, 7252, 9065, 9730, 10286, 13622, 18130, 19460, 20572, 25715, 27244, 34055, 36001, 36260, 51430, 68110, 72002, 102860, 136220, 144004, 180005, 252007, 360010, 504014, 720020, 1008028, 1260035, 2520070, 5040140]

約数ペア:

[(1, 5040140), (2, 2520070), (4, 1260035), (5, 1008028), (7, 720020), (10, 504014), (14, 360010), (20, 252007), (28, 180005), (35, 144004), (37, 136220), (49, 102860), (70, 72002), (74, 68110), (98, 51430), (139, 36260), (140, 36001), (148, 34055), (185, 27244), (196, 25715), (245, 20572), (259, 19460), (278, 18130), (370, 13622), (490, 10286), (518, 9730), (556, 9065), (695, 7252), (740, 6811), (973, 5180), (980, 5143), (1036, 4865), (1295, 3892), (1390, 3626), (1813, 2780), (1946, 2590)]