290305120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{259201}}^1$

素因数の和:259223

約数の個数: 48

約数和(自身を含む): 783826848

約数和(自身を除く): 493521728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 259201, 518402, 1036804, 1296005, 1814407, 2073608, 2592010, 3628814, 4147216, 5184020, 7257628, 8294432, 9072035, 10368040, 14515256, 18144070, 20736080, 29030512, 36288140, 41472160, 58061024, 72576280, 145152560, 290305120]

約数ペア:

[(1, 290305120), (2, 145152560), (4, 72576280), (5, 58061024), (7, 41472160), (8, 36288140), (10, 29030512), (14, 20736080), (16, 18144070), (20, 14515256), (28, 10368040), (32, 9072035), (35, 8294432), (40, 7257628), (56, 5184020), (70, 4147216), (80, 3628814), (112, 2592010), (140, 2073608), (160, 1814407), (224, 1296005), (280, 1036804), (560, 518402), (1120, 259201)]