205989690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{17123}}^1$

素因数の和:17534

約数の個数: 32

約数和(自身を含む): 495637056

約数和(自身を除く): 289647366

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 401, 802, 1203, 2005, 2406, 4010, 6015, 12030, 17123, 34246, 51369, 85615, 102738, 171230, 256845, 513690, 6866323, 13732646, 20598969, 34331615, 41197938, 68663230, 102994845, 205989690]

約数ペア:

[(1, 205989690), (2, 102994845), (3, 68663230), (5, 41197938), (6, 34331615), (10, 20598969), (15, 13732646), (30, 6866323), (401, 513690), (802, 256845), (1203, 171230), (2005, 102738), (2406, 85615), (4010, 51369), (6015, 34246), (12030, 17123)]