278983712

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1$

素因数の和:754

約数の個数: 96

約数和(自身を含む): 660078720

約数和(自身を除く): 381095008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 67, 112, 116, 134, 203, 224, 232, 268, 406, 464, 469, 536, 641, 812, 928, 938, 1072, 1282, 1624, 1876, 1943, 2144, 2564, 3248, 3752, 3886, 4487, 5128, 6496, 7504, 7772, 8974, 10256, 13601, 15008, 15544, 17948, 18589, 20512, 27202, 31088, 35896, 37178, 42947, 54404, 62176, 71792, 74356, 85894, 108808, 130123, 143584, 148712, 171788, 217616, 260246, 297424, 300629, 343576, 435232, 520492, 594848, 601258, 687152, 1040984, 1202516, 1245463, 1374304, 2081968, 2405032, 2490926, 4163936, 4810064, 4981852, 8718241, 9620128, 9963704, 17436482, 19927408, 34872964, 39854816, 69745928, 139491856, 278983712]

約数ペア:

[(1, 278983712), (2, 139491856), (4, 69745928), (7, 39854816), (8, 34872964), (14, 19927408), (16, 17436482), (28, 9963704), (29, 9620128), (32, 8718241), (56, 4981852), (58, 4810064), (67, 4163936), (112, 2490926), (116, 2405032), (134, 2081968), (203, 1374304), (224, 1245463), (232, 1202516), (268, 1040984), (406, 687152), (464, 601258), (469, 594848), (536, 520492), (641, 435232), (812, 343576), (928, 300629), (938, 297424), (1072, 260246), (1282, 217616), (1624, 171788), (1876, 148712), (1943, 143584), (2144, 130123), (2564, 108808), (3248, 85894), (3752, 74356), (3886, 71792), (4487, 62176), (5128, 54404), (6496, 42947), (7504, 37178), (7772, 35896), (8974, 31088), (10256, 27202), (13601, 20512), (15008, 18589), (15544, 17948)]