291201260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2080009}}^1$

素因数の和:2080025

約数の個数: 24

約数和(自身を含む): 698883360

約数和(自身を除く): 407682100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2080009, 4160018, 8320036, 10400045, 14560063, 20800090, 29120126, 41600180, 58240252, 72800315, 145600630, 291201260]

約数ペア:

[(1, 291201260), (2, 145600630), (4, 72800315), (5, 58240252), (7, 41600180), (10, 29120126), (14, 20800090), (20, 14560063), (28, 10400045), (35, 8320036), (70, 4160018), (140, 2080009)]