68818900

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{4951}}^1$

素因数の和:5104

約数の個数: 36

約数和(自身を含む): 150441760

約数和(自身を除く): 81622860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2780, 3475, 4951, 6950, 9902, 13900, 19804, 24755, 49510, 99020, 123775, 247550, 495100, 688189, 1376378, 2752756, 3440945, 6881890, 13763780, 17204725, 34409450, 68818900]

約数ペア:

[(1, 68818900), (2, 34409450), (4, 17204725), (5, 13763780), (10, 6881890), (20, 3440945), (25, 2752756), (50, 1376378), (100, 688189), (139, 495100), (278, 247550), (556, 123775), (695, 99020), (1390, 49510), (2780, 24755), (3475, 19804), (4951, 13900), (6950, 9902)]