663080

素因数分解:

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

素因数の和:170

約数の個数: 48

約数和(自身を含む): 1651860

約数和(自身を除く): 988780

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 137, 220, 242, 274, 440, 484, 548, 605, 685, 968, 1096, 1210, 1370, 1507, 2420, 2740, 3014, 4840, 5480, 6028, 7535, 12056, 15070, 16577, 30140, 33154, 60280, 66308, 82885, 132616, 165770, 331540, 663080]

約数ペア:

[(1, 663080), (2, 331540), (4, 165770), (5, 132616), (8, 82885), (10, 66308), (11, 60280), (20, 33154), (22, 30140), (40, 16577), (44, 15070), (55, 12056), (88, 7535), (110, 6028), (121, 5480), (137, 4840), (220, 3014), (242, 2740), (274, 2420), (440, 1507), (484, 1370), (548, 1210), (605, 1096), (685, 968)]