1974690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{593}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 5281848

約数和(自身を除く): 3307158

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 333, 370, 555, 593, 666, 1110, 1186, 1665, 1779, 2965, 3330, 3558, 5337, 5930, 8895, 10674, 17790, 21941, 26685, 43882, 53370, 65823, 109705, 131646, 197469, 219410, 329115, 394938, 658230, 987345, 1974690]

約数ペア:

[(1, 1974690), (2, 987345), (3, 658230), (5, 394938), (6, 329115), (9, 219410), (10, 197469), (15, 131646), (18, 109705), (30, 65823), (37, 53370), (45, 43882), (74, 26685), (90, 21941), (111, 17790), (185, 10674), (222, 8895), (333, 5930), (370, 5337), (555, 3558), (593, 3330), (666, 2965), (1110, 1779), (1186, 1665)]