68078800

素因数分解:

$2^4\times 5^2\times {\mathrm{170197}}^1$

素因数の和:170215

約数の個数: 30

約数和(自身を含む): 163560278

約数和(自身を除く): 95481478

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 170197, 340394, 680788, 850985, 1361576, 1701970, 2723152, 3403940, 4254925, 6807880, 8509850, 13615760, 17019700, 34039400, 68078800]

約数ペア:

[(1, 68078800), (2, 34039400), (4, 17019700), (5, 13615760), (8, 8509850), (10, 6807880), (16, 4254925), (20, 3403940), (25, 2723152), (40, 1701970), (50, 1361576), (80, 850985), (100, 680788), (200, 340394), (400, 170197)]