49489880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{821}}^1$

素因数の和:980

約数の個数: 64

約数和(自身を含む): 122510880

約数和(自身を除く): 73021000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 137, 220, 274, 440, 548, 685, 821, 1096, 1370, 1507, 1642, 2740, 3014, 3284, 4105, 5480, 6028, 6568, 7535, 8210, 9031, 12056, 15070, 16420, 18062, 30140, 32840, 36124, 45155, 60280, 72248, 90310, 112477, 180620, 224954, 361240, 449908, 562385, 899816, 1124770, 1237247, 2249540, 2474494, 4499080, 4948988, 6186235, 9897976, 12372470, 24744940, 49489880]

約数ペア:

[(1, 49489880), (2, 24744940), (4, 12372470), (5, 9897976), (8, 6186235), (10, 4948988), (11, 4499080), (20, 2474494), (22, 2249540), (40, 1237247), (44, 1124770), (55, 899816), (88, 562385), (110, 449908), (137, 361240), (220, 224954), (274, 180620), (440, 112477), (548, 90310), (685, 72248), (821, 60280), (1096, 45155), (1370, 36124), (1507, 32840), (1642, 30140), (2740, 18062), (3014, 16420), (3284, 15070), (4105, 12056), (5480, 9031), (6028, 8210), (6568, 7535)]