178002010

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{1621}}^1$

素因数の和:1846

約数の個数: 32

約数和(自身を含む): 326995200

約数和(自身を除く): 148993190

約数列:

[1, 2, 5, 10, 79, 139, 158, 278, 395, 695, 790, 1390, 1621, 3242, 8105, 10981, 16210, 21962, 54905, 109810, 128059, 225319, 256118, 450638, 640295, 1126595, 1280590, 2253190, 17800201, 35600402, 89001005, 178002010]

約数ペア:

[(1, 178002010), (2, 89001005), (5, 35600402), (10, 17800201), (79, 2253190), (139, 1280590), (158, 1126595), (278, 640295), (395, 450638), (695, 256118), (790, 225319), (1390, 128059), (1621, 109810), (3242, 54905), (8105, 21962), (10981, 16210)]