212091080

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{30649}}^1$

素因数の和:30833

約数の個数: 32

約数和(自身を含む): 479979000

約数和(自身を除く): 267887920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 30649, 61298, 122596, 153245, 245192, 306490, 612980, 1225960, 5302277, 10604554, 21209108, 26511385, 42418216, 53022770, 106045540, 212091080]

約数ペア:

[(1, 212091080), (2, 106045540), (4, 53022770), (5, 42418216), (8, 26511385), (10, 21209108), (20, 10604554), (40, 5302277), (173, 1225960), (346, 612980), (692, 306490), (865, 245192), (1384, 153245), (1730, 122596), (3460, 61298), (6920, 30649)]