2019925275

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^2\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 3483777024

約数和(自身を除く): 1463851749

約数列:

[1, 3, 5, 15, 25, 37, 75, 103, 111, 185, 191, 309, 515, 555, 573, 925, 955, 1369, 1545, 2575, 2775, 2865, 3811, 4107, 4775, 6845, 7067, 7725, 11433, 14325, 19055, 19673, 20535, 21201, 34225, 35335, 57165, 59019, 95275, 98365, 102675, 106005, 141007, 176675, 261479, 285825, 295095, 423021, 491825, 530025, 705035, 727901, 784437, 1307395, 1475475, 2115105, 2183703, 3525175, 3639505, 3922185, 6536975, 10575525, 10918515, 18197525, 19610925, 26932337, 54592575, 80797011, 134661685, 403985055, 673308425, 2019925275]

約数ペア:

[(1, 2019925275), (3, 673308425), (5, 403985055), (15, 134661685), (25, 80797011), (37, 54592575), (75, 26932337), (103, 19610925), (111, 18197525), (185, 10918515), (191, 10575525), (309, 6536975), (515, 3922185), (555, 3639505), (573, 3525175), (925, 2183703), (955, 2115105), (1369, 1475475), (1545, 1307395), (2575, 784437), (2775, 727901), (2865, 705035), (3811, 530025), (4107, 491825), (4775, 423021), (6845, 295095), (7067, 285825), (7725, 261479), (11433, 176675), (14325, 141007), (19055, 106005), (19673, 102675), (20535, 98365), (21201, 95275), (34225, 59019), (35335, 57165)]