489304870

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{190391}}^1$

素因数の和:190655

約数の個数: 16

約数和(自身を含む): 884180448

約数和(自身を除く): 394875578

約数列:

[1, 2, 5, 10, 257, 514, 1285, 2570, 190391, 380782, 951955, 1903910, 48930487, 97860974, 244652435, 489304870]

約数ペア:

[(1, 489304870), (2, 244652435), (5, 97860974), (10, 48930487), (257, 1903910), (514, 951955), (1285, 380782), (2570, 190391)]