122857840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{219389}}^1$

素因数の和:219409

約数の個数: 40

約数和(自身を含む): 326452320

約数和(自身を除く): 203594480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 219389, 438778, 877556, 1096945, 1535723, 1755112, 2193890, 3071446, 3510224, 4387780, 6142892, 7678615, 8775560, 12285784, 15357230, 17551120, 24571568, 30714460, 61428920, 122857840]

約数ペア:

[(1, 122857840), (2, 61428920), (4, 30714460), (5, 24571568), (7, 17551120), (8, 15357230), (10, 12285784), (14, 8775560), (16, 7678615), (20, 6142892), (28, 4387780), (35, 3510224), (40, 3071446), (56, 2193890), (70, 1755112), (80, 1535723), (112, 1096945), (140, 877556), (280, 438778), (560, 219389)]