140398090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2005687}}^1$

素因数の和:2005701

約数の個数: 16

約数和(自身を含む): 288819072

約数和(自身を除く): 148420982

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2005687, 4011374, 10028435, 14039809, 20056870, 28079618, 70199045, 140398090]

約数ペア:

[(1, 140398090), (2, 70199045), (5, 28079618), (7, 20056870), (10, 14039809), (14, 10028435), (35, 4011374), (70, 2005687)]