99690980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{171881}}^1$

素因数の和:171919

約数の個数: 24

約数和(自身を含む): 216571320

約数和(自身を除く): 116880340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 171881, 343762, 687524, 859405, 1718810, 3437620, 4984549, 9969098, 19938196, 24922745, 49845490, 99690980]

約数ペア:

[(1, 99690980), (2, 49845490), (4, 24922745), (5, 19938196), (10, 9969098), (20, 4984549), (29, 3437620), (58, 1718810), (116, 859405), (145, 687524), (290, 343762), (580, 171881)]