39628900

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{2851}}^1$

素因数の和:3004

約数の個数: 36

約数和(自身を含む): 86643760

約数和(自身を除く): 47014860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2780, 2851, 3475, 5702, 6950, 11404, 13900, 14255, 28510, 57020, 71275, 142550, 285100, 396289, 792578, 1585156, 1981445, 3962890, 7925780, 9907225, 19814450, 39628900]

約数ペア:

[(1, 39628900), (2, 19814450), (4, 9907225), (5, 7925780), (10, 3962890), (20, 1981445), (25, 1585156), (50, 792578), (100, 396289), (139, 285100), (278, 142550), (556, 71275), (695, 57020), (1390, 28510), (2780, 14255), (2851, 13900), (3475, 11404), (5702, 6950)]