257658836980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1\times {\mathrm{14087}}^1$

素因数の和:14621

約数の個数: 96

約数和(自身を含む): 575601868800

約数和(自身を除く): 317943031820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 127, 190, 254, 379, 380, 508, 635, 758, 1270, 1516, 1895, 2413, 2540, 3790, 4826, 7201, 7580, 9652, 12065, 14087, 14402, 24130, 28174, 28804, 36005, 48133, 48260, 56348, 70435, 72010, 96266, 140870, 144020, 192532, 240665, 267653, 281740, 481330, 535306, 914527, 962660, 1070612, 1338265, 1789049, 1829054, 2676530, 3578098, 3658108, 4572635, 5338973, 5353060, 7156196, 8945245, 9145270, 10677946, 17890490, 18290540, 21355892, 26694865, 33991931, 35780980, 53389730, 67983862, 101440487, 106779460, 135967724, 169959655, 202880974, 339919310, 405761948, 507202435, 678049571, 679838620, 1014404870, 1356099142, 2028809740, 2712198284, 3390247855, 6780495710, 12882941849, 13560991420, 25765883698, 51531767396, 64414709245, 128829418490, 257658836980]

約数ペア:

[(1, 257658836980), (2, 128829418490), (4, 64414709245), (5, 51531767396), (10, 25765883698), (19, 13560991420), (20, 12882941849), (38, 6780495710), (76, 3390247855), (95, 2712198284), (127, 2028809740), (190, 1356099142), (254, 1014404870), (379, 679838620), (380, 678049571), (508, 507202435), (635, 405761948), (758, 339919310), (1270, 202880974), (1516, 169959655), (1895, 135967724), (2413, 106779460), (2540, 101440487), (3790, 67983862), (4826, 53389730), (7201, 35780980), (7580, 33991931), (9652, 26694865), (12065, 21355892), (14087, 18290540), (14402, 17890490), (24130, 10677946), (28174, 9145270), (28804, 8945245), (36005, 7156196), (48133, 5353060), (48260, 5338973), (56348, 4572635), (70435, 3658108), (72010, 3578098), (96266, 2676530), (140870, 1829054), (144020, 1789049), (192532, 1338265), (240665, 1070612), (267653, 962660), (281740, 914527), (481330, 535306)]