2787960290

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{702257}}^1$

素因数の和:702661

約数の個数: 16

約数和(自身を含む): 5030976312

約数和(自身を除く): 2243016022

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 702257, 1404514, 3511285, 7022570, 278796029, 557592058, 1393980145, 2787960290]

約数ペア:

[(1, 2787960290), (2, 1393980145), (5, 557592058), (10, 278796029), (397, 7022570), (794, 3511285), (1985, 1404514), (3970, 702257)]