280221498

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1009}}^1$

素因数の和:1196

約数の個数: 64

約数和(自身を含む): 644784000

約数和(自身を除く): 364562502

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 139, 222, 278, 333, 417, 666, 834, 999, 1009, 1251, 1998, 2018, 2502, 3027, 3753, 5143, 6054, 7506, 9081, 10286, 15429, 18162, 27243, 30858, 37333, 46287, 54486, 74666, 92574, 111999, 138861, 140251, 223998, 277722, 280502, 335997, 420753, 671994, 841506, 1007991, 1262259, 2015982, 2524518, 3786777, 5189287, 7573554, 10378574, 15567861, 31135722, 46703583, 93407166, 140110749, 280221498]

約数ペア:

[(1, 280221498), (2, 140110749), (3, 93407166), (6, 46703583), (9, 31135722), (18, 15567861), (27, 10378574), (37, 7573554), (54, 5189287), (74, 3786777), (111, 2524518), (139, 2015982), (222, 1262259), (278, 1007991), (333, 841506), (417, 671994), (666, 420753), (834, 335997), (999, 280502), (1009, 277722), (1251, 223998), (1998, 140251), (2018, 138861), (2502, 111999), (3027, 92574), (3753, 74666), (5143, 54486), (6054, 46287), (7506, 37333), (9081, 30858), (10286, 27243), (15429, 18162)]