777734020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{326779}}^1$

素因数の和:326812

約数の個数: 48

約数和(自身を含む): 1976365440

約数和(自身を除く): 1198631420

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 326779, 653558, 1307116, 1633895, 2287453, 3267790, 4574906, 5555243, 6535580, 9149812, 11110486, 11437265, 22220972, 22874530, 27776215, 38886701, 45749060, 55552430, 77773402, 111104860, 155546804, 194433505, 388867010, 777734020]

約数ペア:

[(1, 777734020), (2, 388867010), (4, 194433505), (5, 155546804), (7, 111104860), (10, 77773402), (14, 55552430), (17, 45749060), (20, 38886701), (28, 27776215), (34, 22874530), (35, 22220972), (68, 11437265), (70, 11110486), (85, 9149812), (119, 6535580), (140, 5555243), (170, 4574906), (238, 3267790), (340, 2287453), (476, 1633895), (595, 1307116), (1190, 653558), (2380, 326779)]