401070220

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{29021}}^1$

素因数の和:29721

約数の個数: 24

約数和(自身を含む): 843495408

約数和(自身を除く): 442425188

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 6910, 13820, 29021, 58042, 116084, 145105, 290210, 580420, 20053511, 40107022, 80214044, 100267555, 200535110, 401070220]

約数ペア:

[(1, 401070220), (2, 200535110), (4, 100267555), (5, 80214044), (10, 40107022), (20, 20053511), (691, 580420), (1382, 290210), (2764, 145105), (3455, 116084), (6910, 58042), (13820, 29021)]