499010

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:505

約数の個数: 16

約数和(自身を含む): 907200

約数和(自身を除く): 408190

約数列:

[1, 2, 5, 10, 139, 278, 359, 695, 718, 1390, 1795, 3590, 49901, 99802, 249505, 499010]

約数ペア:

[(1, 499010), (2, 249505), (5, 99802), (10, 49901), (139, 3590), (278, 1795), (359, 1390), (695, 718)]