280198368

素因数分解:

$2^5\times 3^2\times {\mathrm{199}}^1\times {\mathrm{4889}}^1$

素因数の和:5104

約数の個数: 72

約数和(自身を含む): 800982000

約数和(自身を除く): 520783632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 199, 288, 398, 597, 796, 1194, 1592, 1791, 2388, 3184, 3582, 4776, 4889, 6368, 7164, 9552, 9778, 14328, 14667, 19104, 19556, 28656, 29334, 39112, 44001, 57312, 58668, 78224, 88002, 117336, 156448, 176004, 234672, 352008, 469344, 704016, 972911, 1408032, 1945822, 2918733, 3891644, 5837466, 7783288, 8756199, 11674932, 15566576, 17512398, 23349864, 31133152, 35024796, 46699728, 70049592, 93399456, 140099184, 280198368]

約数ペア:

[(1, 280198368), (2, 140099184), (3, 93399456), (4, 70049592), (6, 46699728), (8, 35024796), (9, 31133152), (12, 23349864), (16, 17512398), (18, 15566576), (24, 11674932), (32, 8756199), (36, 7783288), (48, 5837466), (72, 3891644), (96, 2918733), (144, 1945822), (199, 1408032), (288, 972911), (398, 704016), (597, 469344), (796, 352008), (1194, 234672), (1592, 176004), (1791, 156448), (2388, 117336), (3184, 88002), (3582, 78224), (4776, 58668), (4889, 57312), (6368, 44001), (7164, 39112), (9552, 29334), (9778, 28656), (14328, 19556), (14667, 19104)]