280070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{4001}}^1$

素因数の和:4015

約数の個数: 16

約数和(自身を含む): 576288

約数和(自身を除く): 296218

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 4001, 8002, 20005, 28007, 40010, 56014, 140035, 280070]

約数ペア:

[(1, 280070), (2, 140035), (5, 56014), (7, 40010), (10, 28007), (14, 20005), (35, 8002), (70, 4001)]