3997480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{73}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 9370620

約数和(自身を除く): 5373140

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 73, 74, 146, 148, 185, 292, 296, 365, 370, 584, 730, 740, 1369, 1460, 1480, 2701, 2738, 2920, 5402, 5476, 6845, 10804, 10952, 13505, 13690, 21608, 27010, 27380, 54020, 54760, 99937, 108040, 199874, 399748, 499685, 799496, 999370, 1998740, 3997480]

約数ペア:

[(1, 3997480), (2, 1998740), (4, 999370), (5, 799496), (8, 499685), (10, 399748), (20, 199874), (37, 108040), (40, 99937), (73, 54760), (74, 54020), (146, 27380), (148, 27010), (185, 21608), (292, 13690), (296, 13505), (365, 10952), (370, 10804), (584, 6845), (730, 5476), (740, 5402), (1369, 2920), (1460, 2738), (1480, 2701)]