2021068070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1\times {\mathrm{809}}^1$

素因数の和:1313

約数の個数: 64

約数和(自身を含む): 4220035200

約数和(自身を除く): 2198967130

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 401, 445, 623, 802, 809, 890, 1246, 1618, 2005, 2807, 3115, 4010, 4045, 5614, 5663, 6230, 8090, 11326, 14035, 28070, 28315, 35689, 56630, 71378, 72001, 144002, 178445, 249823, 324409, 356890, 360005, 499646, 504007, 648818, 720010, 1008014, 1249115, 1622045, 2270863, 2498230, 2520035, 3244090, 4541726, 5040070, 11354315, 22708630, 28872401, 57744802, 144362005, 202106807, 288724010, 404213614, 1010534035, 2021068070]

約数ペア:

[(1, 2021068070), (2, 1010534035), (5, 404213614), (7, 288724010), (10, 202106807), (14, 144362005), (35, 57744802), (70, 28872401), (89, 22708630), (178, 11354315), (401, 5040070), (445, 4541726), (623, 3244090), (802, 2520035), (809, 2498230), (890, 2270863), (1246, 1622045), (1618, 1249115), (2005, 1008014), (2807, 720010), (3115, 648818), (4010, 504007), (4045, 499646), (5614, 360005), (5663, 356890), (6230, 324409), (8090, 249823), (11326, 178445), (14035, 144002), (28070, 72001), (28315, 71378), (35689, 56630)]