1340392670

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1887877}}^1$

素因数の和:1887955

約数の個数: 16

約数和(自身を含む): 2446689888

約数和(自身を除く): 1106297218

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 1887877, 3775754, 9439385, 18878770, 134039267, 268078534, 670196335, 1340392670]

約数ペア:

[(1, 1340392670), (2, 670196335), (5, 268078534), (10, 134039267), (71, 18878770), (142, 9439385), (355, 3775754), (710, 1887877)]