280709744

素因数分解:

$2^4\times 7^1\times {\mathrm{2506337}}^1$

素因数の和:2506352

約数の個数: 20

約数和(自身を含む): 621571824

約数和(自身を除く): 340862080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2506337, 5012674, 10025348, 17544359, 20050696, 35088718, 40101392, 70177436, 140354872, 280709744]

約数ペア:

[(1, 280709744), (2, 140354872), (4, 70177436), (7, 40101392), (8, 35088718), (14, 20050696), (16, 17544359), (28, 10025348), (56, 5012674), (112, 2506337)]