138558800

素因数分解:

$2^4\times 5^2\times {\mathrm{346397}}^1$

素因数の和:346415

約数の個数: 30

約数和(自身を含む): 332888478

約数和(自身を除く): 194329678

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 346397, 692794, 1385588, 1731985, 2771176, 3463970, 5542352, 6927940, 8659925, 13855880, 17319850, 27711760, 34639700, 69279400, 138558800]

約数ペア:

[(1, 138558800), (2, 69279400), (4, 34639700), (5, 27711760), (8, 17319850), (10, 13855880), (16, 8659925), (20, 6927940), (25, 5542352), (40, 3463970), (50, 2771176), (80, 1731985), (100, 1385588), (200, 692794), (400, 346397)]