490639205

素因数分解:

$5^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{3919}}^1$

素因数の和:4018

約数の個数: 32

約数和(自身を含む): 696192000

約数和(自身を除く): 205552795

約数列:

[1, 5, 7, 35, 49, 73, 245, 343, 365, 511, 1715, 2555, 3577, 3919, 17885, 19595, 25039, 27433, 125195, 137165, 192031, 286087, 960155, 1344217, 1430435, 2002609, 6721085, 10013045, 14018263, 70091315, 98127841, 490639205]

約数ペア:

[(1, 490639205), (5, 98127841), (7, 70091315), (35, 14018263), (49, 10013045), (73, 6721085), (245, 2002609), (343, 1430435), (365, 1344217), (511, 960155), (1715, 286087), (2555, 192031), (3577, 137165), (3919, 125195), (17885, 27433), (19595, 25039)]