748229780

素因数分解:

$2^2\times 5^1\times {\mathrm{4909}}^1\times {\mathrm{7621}}^1$

素因数の和:12539

約数の個数: 24

約数和(自身を含む): 1571808840

約数和(自身を除く): 823579060

約数列:

[1, 2, 4, 5, 10, 20, 4909, 7621, 9818, 15242, 19636, 24545, 30484, 38105, 49090, 76210, 98180, 152420, 37411489, 74822978, 149645956, 187057445, 374114890, 748229780]

約数ペア:

[(1, 748229780), (2, 374114890), (4, 187057445), (5, 149645956), (10, 74822978), (20, 37411489), (4909, 152420), (7621, 98180), (9818, 76210), (15242, 49090), (19636, 38105), (24545, 30484)]