2220777790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{6311}}^1$

素因数の和:6793

約数の個数: 64

約数和(自身を含む): 4995468288

約数和(自身を除く): 2774690498

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 457, 770, 914, 2285, 3199, 4570, 5027, 6311, 6398, 10054, 12622, 15995, 25135, 31555, 31990, 35189, 44177, 50270, 63110, 69421, 70378, 88354, 138842, 175945, 220885, 347105, 351890, 441770, 485947, 694210, 971894, 2429735, 2884127, 4859470, 5768254, 14420635, 20188889, 28841270, 31725397, 40377778, 63450794, 100944445, 158626985, 201888890, 222077779, 317253970, 444155558, 1110388895, 2220777790]

約数ペア:

[(1, 2220777790), (2, 1110388895), (5, 444155558), (7, 317253970), (10, 222077779), (11, 201888890), (14, 158626985), (22, 100944445), (35, 63450794), (55, 40377778), (70, 31725397), (77, 28841270), (110, 20188889), (154, 14420635), (385, 5768254), (457, 4859470), (770, 2884127), (914, 2429735), (2285, 971894), (3199, 694210), (4570, 485947), (5027, 441770), (6311, 351890), (6398, 347105), (10054, 220885), (12622, 175945), (15995, 138842), (25135, 88354), (31555, 70378), (31990, 69421), (35189, 63110), (44177, 50270)]