9971997.00000000

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{276629}}^1$

素因数の和:276644

約数の個数: 36

約数和(自身を含む): 151039980

約数和(自身を除く): 101246760

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 276629, 553258, 829887, 1106516, 1383145, 1659774, 2489661, 2766290, 3319548, 4149435, 4979322, 5532580, 8298870, 9958644, 12448305, 16597740, 24896610, 49793220]

約数ペア:

[(1, 49793220), (2, 24896610), (3, 16597740), (4, 12448305), (5, 9958644), (6, 8298870), (9, 5532580), (10, 4979322), (12, 4149435), (15, 3319548), (18, 2766290), (20, 2489661), (30, 1659774), (36, 1383145), (45, 1106516), (60, 829887), (90, 553258), (180, 276629)]