172012540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{175523}}^1$

素因数の和:175546

約数の個数: 36

約数和(自身を含む): 420204456

約数和(自身を除く): 248191916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 175523, 351046, 702092, 877615, 1228661, 1755230, 2457322, 3510460, 4914644, 6143305, 8600627, 12286610, 17201254, 24573220, 34402508, 43003135, 86006270, 172012540]

約数ペア:

[(1, 172012540), (2, 86006270), (4, 43003135), (5, 34402508), (7, 24573220), (10, 17201254), (14, 12286610), (20, 8600627), (28, 6143305), (35, 4914644), (49, 3510460), (70, 2457322), (98, 1755230), (140, 1228661), (196, 877615), (245, 702092), (490, 351046), (980, 175523)]