1214260

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:675

約数の個数: 24

約数和(自身を含む): 2577960

約数和(自身を除く): 1363700

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 557, 1090, 1114, 2180, 2228, 2785, 5570, 11140, 60713, 121426, 242852, 303565, 607130, 1214260]

約数ペア:

[(1, 1214260), (2, 607130), (4, 303565), (5, 242852), (10, 121426), (20, 60713), (109, 11140), (218, 5570), (436, 2785), (545, 2228), (557, 2180), (1090, 1114)]