257740308

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{419}}^1\times {\mathrm{2441}}^1$

素因数の和:2877

約数の個数: 72

約数和(自身を含む): 746665920

約数和(自身を除く): 488925612

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 419, 838, 1257, 1676, 2441, 2514, 2933, 3771, 4882, 5028, 5866, 7323, 7542, 8799, 9764, 11732, 14646, 15084, 17087, 17598, 21969, 26397, 29292, 34174, 35196, 43938, 51261, 52794, 68348, 87876, 102522, 105588, 153783, 205044, 307566, 615132, 1022779, 2045558, 3068337, 4091116, 6136674, 7159453, 9205011, 12273348, 14318906, 18410022, 21478359, 28637812, 36820044, 42956718, 64435077, 85913436, 128870154, 257740308]

約数ペア:

[(1, 257740308), (2, 128870154), (3, 85913436), (4, 64435077), (6, 42956718), (7, 36820044), (9, 28637812), (12, 21478359), (14, 18410022), (18, 14318906), (21, 12273348), (28, 9205011), (36, 7159453), (42, 6136674), (63, 4091116), (84, 3068337), (126, 2045558), (252, 1022779), (419, 615132), (838, 307566), (1257, 205044), (1676, 153783), (2441, 105588), (2514, 102522), (2933, 87876), (3771, 68348), (4882, 52794), (5028, 51261), (5866, 43938), (7323, 35196), (7542, 34174), (8799, 29292), (9764, 26397), (11732, 21969), (14646, 17598), (15084, 17087)]