205314130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{43777}}^1$

素因数の和:43858

約数の個数: 32

約数和(自身を含む): 428674176

約数和(自身を除く): 223360046

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4690, 43777, 87554, 218885, 306439, 437770, 612878, 1532195, 2933059, 3064390, 5866118, 14665295, 20531413, 29330590, 41062826, 102657065, 205314130]

約数ペア:

[(1, 205314130), (2, 102657065), (5, 41062826), (7, 29330590), (10, 20531413), (14, 14665295), (35, 5866118), (67, 3064390), (70, 2933059), (134, 1532195), (335, 612878), (469, 437770), (670, 306439), (938, 218885), (2345, 87554), (4690, 43777)]