290806768

素因数分解:

$2^4\times 7^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:255

約数の個数: 120

約数和(自身を含む): 685737360

約数和(自身を除く): 394930592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 49, 56, 82, 83, 98, 109, 112, 164, 166, 196, 218, 287, 328, 332, 392, 436, 574, 581, 656, 664, 763, 784, 872, 1148, 1162, 1328, 1526, 1744, 2009, 2296, 2324, 3052, 3403, 4018, 4067, 4469, 4592, 4648, 5341, 6104, 6806, 8036, 8134, 8938, 9047, 9296, 10682, 12208, 13612, 16072, 16268, 17876, 18094, 21364, 23821, 27224, 31283, 32144, 32536, 35752, 36188, 42728, 47642, 54448, 62566, 63329, 65072, 71504, 72376, 85456, 95284, 125132, 126658, 144752, 166747, 190568, 218981, 250264, 253316, 333494, 370927, 381136, 437962, 443303, 500528, 506632, 666988, 741854, 875924, 886606, 1013264, 1333976, 1483708, 1751848, 1773212, 2596489, 2667952, 2967416, 3503696, 3546424, 5192978, 5934832, 7092848, 10385956, 18175423, 20771912, 36350846, 41543824, 72701692, 145403384, 290806768]

約数ペア:

[(1, 290806768), (2, 145403384), (4, 72701692), (7, 41543824), (8, 36350846), (14, 20771912), (16, 18175423), (28, 10385956), (41, 7092848), (49, 5934832), (56, 5192978), (82, 3546424), (83, 3503696), (98, 2967416), (109, 2667952), (112, 2596489), (164, 1773212), (166, 1751848), (196, 1483708), (218, 1333976), (287, 1013264), (328, 886606), (332, 875924), (392, 741854), (436, 666988), (574, 506632), (581, 500528), (656, 443303), (664, 437962), (763, 381136), (784, 370927), (872, 333494), (1148, 253316), (1162, 250264), (1328, 218981), (1526, 190568), (1744, 166747), (2009, 144752), (2296, 126658), (2324, 125132), (3052, 95284), (3403, 85456), (4018, 72376), (4067, 71504), (4469, 65072), (4592, 63329), (4648, 62566), (5341, 54448), (6104, 47642), (6806, 42728), (8036, 36188), (8134, 35752), (8938, 32536), (9047, 32144), (9296, 31283), (10682, 27224), (12208, 23821), (13612, 21364), (16072, 18094), (16268, 17876)]