858990020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{6135643}}^1$

素因数の和:6135659

約数の個数: 24

約数和(自身を含む): 2061576384

約数和(自身を除く): 1202586364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 6135643, 12271286, 24542572, 30678215, 42949501, 61356430, 85899002, 122712860, 171798004, 214747505, 429495010, 858990020]

約数ペア:

[(1, 858990020), (2, 429495010), (4, 214747505), (5, 171798004), (7, 122712860), (10, 85899002), (14, 61356430), (20, 42949501), (28, 30678215), (35, 24542572), (70, 12271286), (140, 6135643)]