1555164020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{11003}}^1$

素因数の和:11240

約数の個数: 48

約数和(自身を含む): 3371977728

約数和(自身を除く): 1816813708

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 191, 370, 382, 740, 764, 955, 1910, 3820, 7067, 11003, 14134, 22006, 28268, 35335, 44012, 55015, 70670, 110030, 141340, 220060, 407111, 814222, 1628444, 2035555, 2101573, 4071110, 4203146, 8142220, 8406292, 10507865, 21015730, 42031460, 77758201, 155516402, 311032804, 388791005, 777582010, 1555164020]

約数ペア:

[(1, 1555164020), (2, 777582010), (4, 388791005), (5, 311032804), (10, 155516402), (20, 77758201), (37, 42031460), (74, 21015730), (148, 10507865), (185, 8406292), (191, 8142220), (370, 4203146), (382, 4071110), (740, 2101573), (764, 2035555), (955, 1628444), (1910, 814222), (3820, 407111), (7067, 220060), (11003, 141340), (14134, 110030), (22006, 70670), (28268, 55015), (35335, 44012)]