1780493690

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4140683}}^1$

素因数の和:4140733

約数の個数: 16

約数和(自身を含む): 3279421728

約数和(自身を除く): 1498928038

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 4140683, 8281366, 20703415, 41406830, 178049369, 356098738, 890246845, 1780493690]

約数ペア:

[(1, 1780493690), (2, 890246845), (5, 356098738), (10, 178049369), (43, 41406830), (86, 20703415), (215, 8281366), (430, 4140683)]