423604520

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{97157}}^1$

素因数の和:97277

約数の個数: 32

約数和(自身を含む): 961864200

約数和(自身を除く): 538259680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 97157, 194314, 388628, 485785, 777256, 971570, 1943140, 3886280, 10590113, 21180226, 42360452, 52950565, 84720904, 105901130, 211802260, 423604520]

約数ペア:

[(1, 423604520), (2, 211802260), (4, 105901130), (5, 84720904), (8, 52950565), (10, 42360452), (20, 21180226), (40, 10590113), (109, 3886280), (218, 1943140), (436, 971570), (545, 777256), (872, 485785), (1090, 388628), (2180, 194314), (4360, 97157)]