309431220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{736741}}^1$

素因数の和:736760

約数の個数: 48

約数和(自身を含む): 990181248

約数和(自身を除く): 680750028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 736741, 1473482, 2210223, 2946964, 3683705, 4420446, 5157187, 7367410, 8840892, 10314374, 11051115, 14734820, 15471561, 20628748, 22102230, 25785935, 30943122, 44204460, 51571870, 61886244, 77357805, 103143740, 154715610, 309431220]

約数ペア:

[(1, 309431220), (2, 154715610), (3, 103143740), (4, 77357805), (5, 61886244), (6, 51571870), (7, 44204460), (10, 30943122), (12, 25785935), (14, 22102230), (15, 20628748), (20, 15471561), (21, 14734820), (28, 11051115), (30, 10314374), (35, 8840892), (42, 7367410), (60, 5157187), (70, 4420446), (84, 3683705), (105, 2946964), (140, 2210223), (210, 1473482), (420, 736741)]