686702020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1183969}}^1$

素因数の和:1184007

約数の個数: 24

約数和(自身を含む): 1491802200

約数和(自身を除く): 805100180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1183969, 2367938, 4735876, 5919845, 11839690, 23679380, 34335101, 68670202, 137340404, 171675505, 343351010, 686702020]

約数ペア:

[(1, 686702020), (2, 343351010), (4, 171675505), (5, 137340404), (10, 68670202), (20, 34335101), (29, 23679380), (58, 11839690), (116, 5919845), (145, 4735876), (290, 2367938), (580, 1183969)]