9800140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{70001}}^1$

素因数の和:70017

約数の個数: 24

約数和(自身を含む): 23520672

約数和(自身を除く): 13720532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 70001, 140002, 280004, 350005, 490007, 700010, 980014, 1400020, 1960028, 2450035, 4900070, 9800140]

約数ペア:

[(1, 9800140), (2, 4900070), (4, 2450035), (5, 1960028), (7, 1400020), (10, 980014), (14, 700010), (20, 490007), (28, 350005), (35, 280004), (70, 140002), (140, 70001)]