218423180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1\times {\mathrm{1409}}^1$

素因数の和:1778

約数の個数: 48

約数和(自身を含む): 480392640

約数和(自身を除く): 261969460

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 337, 460, 674, 1348, 1409, 1685, 2818, 3370, 5636, 6740, 7045, 7751, 14090, 15502, 28180, 31004, 32407, 38755, 64814, 77510, 129628, 155020, 162035, 324070, 474833, 648140, 949666, 1899332, 2374165, 4748330, 9496660, 10921159, 21842318, 43684636, 54605795, 109211590, 218423180]

約数ペア:

[(1, 218423180), (2, 109211590), (4, 54605795), (5, 43684636), (10, 21842318), (20, 10921159), (23, 9496660), (46, 4748330), (92, 2374165), (115, 1899332), (230, 949666), (337, 648140), (460, 474833), (674, 324070), (1348, 162035), (1409, 155020), (1685, 129628), (2818, 77510), (3370, 64814), (5636, 38755), (6740, 32407), (7045, 31004), (7751, 28180), (14090, 15502)]