257748230

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{8629}}^1$

素因数の和:8768

約数の個数: 32

約数和(自身を含む): 484660800

約数和(自身を除く): 226912570

約数列:

[1, 2, 5, 10, 29, 58, 103, 145, 206, 290, 515, 1030, 2987, 5974, 8629, 14935, 17258, 29870, 43145, 86290, 250241, 500482, 888787, 1251205, 1777574, 2502410, 4443935, 8887870, 25774823, 51549646, 128874115, 257748230]

約数ペア:

[(1, 257748230), (2, 128874115), (5, 51549646), (10, 25774823), (29, 8887870), (58, 4443935), (103, 2502410), (145, 1777574), (206, 1251205), (290, 888787), (515, 500482), (1030, 250241), (2987, 86290), (5974, 43145), (8629, 29870), (14935, 17258)]