12917366980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{255587}}^1$

素因数の和:255641

約数の個数: 72

約数和(自身を含む): 32719353408

約数和(自身を除く): 19801986428

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 361, 380, 532, 665, 722, 1330, 1444, 1805, 2527, 2660, 3610, 5054, 7220, 10108, 12635, 25270, 50540, 255587, 511174, 1022348, 1277935, 1789109, 2555870, 3578218, 4856153, 5111740, 7156436, 8945545, 9712306, 17891090, 19424612, 24280765, 33993071, 35782180, 48561530, 67986142, 92266907, 97123060, 135972284, 169965355, 184533814, 339930710, 369067628, 461334535, 645868349, 679861420, 922669070, 1291736698, 1845338140, 2583473396, 3229341745, 6458683490, 12917366980]

約数ペア:

[(1, 12917366980), (2, 6458683490), (4, 3229341745), (5, 2583473396), (7, 1845338140), (10, 1291736698), (14, 922669070), (19, 679861420), (20, 645868349), (28, 461334535), (35, 369067628), (38, 339930710), (70, 184533814), (76, 169965355), (95, 135972284), (133, 97123060), (140, 92266907), (190, 67986142), (266, 48561530), (361, 35782180), (380, 33993071), (532, 24280765), (665, 19424612), (722, 17891090), (1330, 9712306), (1444, 8945545), (1805, 7156436), (2527, 5111740), (2660, 4856153), (3610, 3578218), (5054, 2555870), (7220, 1789109), (10108, 1277935), (12635, 1022348), (25270, 511174), (50540, 255587)]