168195020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{3863}}^1$

素因数の和:4190

約数の個数: 48

約数和(自身を含む): 405070848

約数和(自身を除く): 236875828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 622, 1244, 1555, 2177, 3110, 3863, 4354, 6220, 7726, 8708, 10885, 15452, 19315, 21770, 27041, 38630, 43540, 54082, 77260, 108164, 135205, 270410, 540820, 1201393, 2402786, 4805572, 6006965, 8409751, 12013930, 16819502, 24027860, 33639004, 42048755, 84097510, 168195020]

約数ペア:

[(1, 168195020), (2, 84097510), (4, 42048755), (5, 33639004), (7, 24027860), (10, 16819502), (14, 12013930), (20, 8409751), (28, 6006965), (35, 4805572), (70, 2402786), (140, 1201393), (311, 540820), (622, 270410), (1244, 135205), (1555, 108164), (2177, 77260), (3110, 54082), (3863, 43540), (4354, 38630), (6220, 27041), (7726, 21770), (8708, 19315), (10885, 15452)]