2051227890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{288499}}^1$

素因数の和:288591

約数の個数: 48

約数和(自身を含む): 5400720000

約数和(自身を除く): 3349492110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 395, 474, 711, 790, 1185, 1422, 2370, 3555, 7110, 288499, 576998, 865497, 1442495, 1730994, 2596491, 2884990, 4327485, 5192982, 8654970, 12982455, 22791421, 25964910, 45582842, 68374263, 113957105, 136748526, 205122789, 227914210, 341871315, 410245578, 683742630, 1025613945, 2051227890]

約数ペア:

[(1, 2051227890), (2, 1025613945), (3, 683742630), (5, 410245578), (6, 341871315), (9, 227914210), (10, 205122789), (15, 136748526), (18, 113957105), (30, 68374263), (45, 45582842), (79, 25964910), (90, 22791421), (158, 12982455), (237, 8654970), (395, 5192982), (474, 4327485), (711, 2884990), (790, 2596491), (1185, 1730994), (1422, 1442495), (2370, 865497), (3555, 576998), (7110, 288499)]