342260

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 729960

約数和(自身を除く): 387700

約数列:

[1, 2, 4, 5, 10, 20, 109, 157, 218, 314, 436, 545, 628, 785, 1090, 1570, 2180, 3140, 17113, 34226, 68452, 85565, 171130, 342260]

約数ペア:

[(1, 342260), (2, 171130), (4, 85565), (5, 68452), (10, 34226), (20, 17113), (109, 3140), (157, 2180), (218, 1570), (314, 1090), (436, 785), (545, 628)]