207451720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{32213}}^1$

素因数の和:32254

約数の個数: 64

約数和(自身を含む): 556657920

約数和(自身を除く): 349206200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 32213, 64426, 128852, 161065, 225491, 257704, 322130, 450982, 644260, 740899, 901964, 1127455, 1288520, 1481798, 1803928, 2254910, 2963596, 3704495, 4509820, 5186293, 5927192, 7408990, 9019640, 10372586, 14817980, 20745172, 25931465, 29635960, 41490344, 51862930, 103725860, 207451720]

約数ペア:

[(1, 207451720), (2, 103725860), (4, 51862930), (5, 41490344), (7, 29635960), (8, 25931465), (10, 20745172), (14, 14817980), (20, 10372586), (23, 9019640), (28, 7408990), (35, 5927192), (40, 5186293), (46, 4509820), (56, 3704495), (70, 2963596), (92, 2254910), (115, 1803928), (140, 1481798), (161, 1288520), (184, 1127455), (230, 901964), (280, 740899), (322, 644260), (460, 450982), (644, 322130), (805, 257704), (920, 225491), (1288, 161065), (1610, 128852), (3220, 64426), (6440, 32213)]