201342890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20693}}^1$

素因数の和:20846

約数の個数: 32

約数和(自身を含む): 417191040

約数和(自身を除く): 215848150

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4865, 9730, 20693, 41386, 103465, 144851, 206930, 289702, 724255, 1448510, 2876327, 5752654, 14381635, 20134289, 28763270, 40268578, 100671445, 201342890]

約数ペア:

[(1, 201342890), (2, 100671445), (5, 40268578), (7, 28763270), (10, 20134289), (14, 14381635), (35, 5752654), (70, 2876327), (139, 1448510), (278, 724255), (695, 289702), (973, 206930), (1390, 144851), (1946, 103465), (4865, 41386), (9730, 20693)]