205909460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{2837}}^1$

素因数の和:3056

約数の個数: 48

約数和(自身を含む): 457712640

約数和(自身を除く): 251803180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 380, 382, 764, 955, 1910, 2837, 3629, 3820, 5674, 7258, 11348, 14185, 14516, 18145, 28370, 36290, 53903, 56740, 72580, 107806, 215612, 269515, 539030, 541867, 1078060, 1083734, 2167468, 2709335, 5418670, 10295473, 10837340, 20590946, 41181892, 51477365, 102954730, 205909460]

約数ペア:

[(1, 205909460), (2, 102954730), (4, 51477365), (5, 41181892), (10, 20590946), (19, 10837340), (20, 10295473), (38, 5418670), (76, 2709335), (95, 2167468), (190, 1083734), (191, 1078060), (380, 541867), (382, 539030), (764, 269515), (955, 215612), (1910, 107806), (2837, 72580), (3629, 56740), (3820, 53903), (5674, 36290), (7258, 28370), (11348, 18145), (14185, 14516)]