2640470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{563}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 5522688

約数和(自身を除く): 2882218

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 563, 670, 938, 1126, 2345, 2815, 3941, 4690, 5630, 7882, 19705, 37721, 39410, 75442, 188605, 264047, 377210, 528094, 1320235, 2640470]

約数ペア:

[(1, 2640470), (2, 1320235), (5, 528094), (7, 377210), (10, 264047), (14, 188605), (35, 75442), (67, 39410), (70, 37721), (134, 19705), (335, 7882), (469, 5630), (563, 4690), (670, 3941), (938, 2815), (1126, 2345)]