169367620

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{61813}}^1$

素因数の和:61959

約数の個数: 24

約数和(自身を含む): 358273944

約数和(自身を除く): 188906324

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 61813, 123626, 247252, 309065, 618130, 1236260, 8468381, 16936762, 33873524, 42341905, 84683810, 169367620]

約数ペア:

[(1, 169367620), (2, 84683810), (4, 42341905), (5, 33873524), (10, 16936762), (20, 8468381), (137, 1236260), (274, 618130), (548, 309065), (685, 247252), (1370, 123626), (2740, 61813)]