2484220

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{557}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 5249664

約数和(自身を除く): 2765444

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 557, 892, 1114, 1115, 2228, 2230, 2785, 4460, 5570, 11140, 124211, 248422, 496844, 621055, 1242110, 2484220]

約数ペア:

[(1, 2484220), (2, 1242110), (4, 621055), (5, 496844), (10, 248422), (20, 124211), (223, 11140), (446, 5570), (557, 4460), (892, 2785), (1114, 2230), (1115, 2228)]