201994678025

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{39801907}}^1$

素因数の和:39801953

約数の個数: 24

約数和(自身を含む): 296126195520

約数和(自身を除く): 94131517495

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 725, 1015, 5075, 39801907, 199009535, 278613349, 995047675, 1154255303, 1393066745, 5771276515, 6965333725, 8079787121, 28856382575, 40398935605, 201994678025]

約数ペア:

[(1, 201994678025), (5, 40398935605), (7, 28856382575), (25, 8079787121), (29, 6965333725), (35, 5771276515), (145, 1393066745), (175, 1154255303), (203, 995047675), (725, 278613349), (1015, 199009535), (5075, 39801907)]