179638540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{4337}}^1$

素因数の和:4474

約数の個数: 48

約数和(自身を含む): 400831200

約数和(自身を除く): 221192660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 1090, 2071, 2180, 4142, 4337, 8284, 8674, 10355, 17348, 20710, 21685, 41420, 43370, 82403, 86740, 164806, 329612, 412015, 472733, 824030, 945466, 1648060, 1890932, 2363665, 4727330, 8981927, 9454660, 17963854, 35927708, 44909635, 89819270, 179638540]

約数ペア:

[(1, 179638540), (2, 89819270), (4, 44909635), (5, 35927708), (10, 17963854), (19, 9454660), (20, 8981927), (38, 4727330), (76, 2363665), (95, 1890932), (109, 1648060), (190, 945466), (218, 824030), (380, 472733), (436, 412015), (545, 329612), (1090, 164806), (2071, 86740), (2180, 82403), (4142, 43370), (4337, 41420), (8284, 21685), (8674, 20710), (10355, 17348)]