2490650

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:578

約数の個数: 24

約数和(自身を含む): 4685340

約数和(自身を除く): 2194690

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 457, 545, 914, 1090, 2285, 2725, 4570, 5450, 11425, 22850, 49813, 99626, 249065, 498130, 1245325, 2490650]

約数ペア:

[(1, 2490650), (2, 1245325), (5, 498130), (10, 249065), (25, 99626), (50, 49813), (109, 22850), (218, 11425), (457, 5450), (545, 4570), (914, 2725), (1090, 2285)]