256703030

素因数分解:

$2^1\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{17989}}^1$

素因数の和:19423

約数の個数: 16

約数和(自身を含む): 462414960

約数和(自身を除く): 205711930

約数列:

[1, 2, 5, 10, 1427, 2854, 7135, 14270, 17989, 35978, 89945, 179890, 25670303, 51340606, 128351515, 256703030]

約数ペア:

[(1, 256703030), (2, 128351515), (5, 51340606), (10, 25670303), (1427, 179890), (2854, 89945), (7135, 35978), (14270, 17989)]