780520684

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{10270009}}^1$

素因数の和:10270032

約数の個数: 12

約数和(自身を含む): 1437801400

約数和(自身を除く): 657280716

約数列:

[1, 2, 4, 19, 38, 76, 10270009, 20540018, 41080036, 195130171, 390260342, 780520684]

約数ペア:

[(1, 780520684), (2, 390260342), (4, 195130171), (19, 41080036), (38, 20540018), (76, 10270009)]