256218970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{27941}}^1$

素因数の和:28086

約数の個数: 32

約数和(自身を含む): 531121536

約数和(自身を除く): 274902566

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 262, 655, 917, 1310, 1834, 4585, 9170, 27941, 55882, 139705, 195587, 279410, 391174, 977935, 1955870, 3660271, 7320542, 18301355, 25621897, 36602710, 51243794, 128109485, 256218970]

約数ペア:

[(1, 256218970), (2, 128109485), (5, 51243794), (7, 36602710), (10, 25621897), (14, 18301355), (35, 7320542), (70, 3660271), (131, 1955870), (262, 977935), (655, 391174), (917, 279410), (1310, 195587), (1834, 139705), (4585, 55882), (9170, 27941)]