86549820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{821}}^1$

素因数の和:1091

約数の個数: 96

約数和(自身を含む): 278401536

約数和(自身を除く): 191851716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 251, 420, 502, 753, 821, 1004, 1255, 1506, 1642, 1757, 2463, 2510, 3012, 3284, 3514, 3765, 4105, 4926, 5020, 5271, 5747, 7028, 7530, 8210, 8785, 9852, 10542, 11494, 12315, 15060, 16420, 17241, 17570, 21084, 22988, 24630, 26355, 28735, 34482, 35140, 49260, 52710, 57470, 68964, 86205, 105420, 114940, 172410, 206071, 344820, 412142, 618213, 824284, 1030355, 1236426, 1442497, 2060710, 2472852, 2884994, 3091065, 4121420, 4327491, 5769988, 6182130, 7212485, 8654982, 12364260, 14424970, 17309964, 21637455, 28849940, 43274910, 86549820]

約数ペア:

[(1, 86549820), (2, 43274910), (3, 28849940), (4, 21637455), (5, 17309964), (6, 14424970), (7, 12364260), (10, 8654982), (12, 7212485), (14, 6182130), (15, 5769988), (20, 4327491), (21, 4121420), (28, 3091065), (30, 2884994), (35, 2472852), (42, 2060710), (60, 1442497), (70, 1236426), (84, 1030355), (105, 824284), (140, 618213), (210, 412142), (251, 344820), (420, 206071), (502, 172410), (753, 114940), (821, 105420), (1004, 86205), (1255, 68964), (1506, 57470), (1642, 52710), (1757, 49260), (2463, 35140), (2510, 34482), (3012, 28735), (3284, 26355), (3514, 24630), (3765, 22988), (4105, 21084), (4926, 17570), (5020, 17241), (5271, 16420), (5747, 15060), (7028, 12315), (7530, 11494), (8210, 10542), (8785, 9852)]