212942120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{280187}}^1$

素因数の和:280217

約数の個数: 32

約数和(自身を含む): 504338400

約数和(自身を除く): 291396280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 280187, 560374, 1120748, 1400935, 2241496, 2801870, 5323553, 5603740, 10647106, 11207480, 21294212, 26617765, 42588424, 53235530, 106471060, 212942120]

約数ペア:

[(1, 212942120), (2, 106471060), (4, 53235530), (5, 42588424), (8, 26617765), (10, 21294212), (19, 11207480), (20, 10647106), (38, 5603740), (40, 5323553), (76, 2801870), (95, 2241496), (152, 1400935), (190, 1120748), (380, 560374), (760, 280187)]