287200020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4786667}}^1$

素因数の和:4786679

約数の個数: 24

約数和(自身を含む): 804160224

約数和(自身を除く): 516960204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4786667, 9573334, 14360001, 19146668, 23933335, 28720002, 47866670, 57440004, 71800005, 95733340, 143600010, 287200020]

約数ペア:

[(1, 287200020), (2, 143600010), (3, 95733340), (4, 71800005), (5, 57440004), (6, 47866670), (10, 28720002), (12, 23933335), (15, 19146668), (20, 14360001), (30, 9573334), (60, 4786667)]