28689850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{81971}}^1$

素因数の和:81990

約数の個数: 24

約数和(自身を含む): 60987168

約数和(自身を除く): 32297318

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 81971, 163942, 409855, 573797, 819710, 1147594, 2049275, 2868985, 4098550, 5737970, 14344925, 28689850]

約数ペア:

[(1, 28689850), (2, 14344925), (5, 5737970), (7, 4098550), (10, 2868985), (14, 2049275), (25, 1147594), (35, 819710), (50, 573797), (70, 409855), (175, 163942), (350, 81971)]