204590320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1697}}^1$

素因数の和:1858

約数の個数: 80

約数和(自身を含む): 523011168

約数和(自身を除く): 318420848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 137, 176, 220, 274, 440, 548, 685, 880, 1096, 1370, 1507, 1697, 2192, 2740, 3014, 3394, 5480, 6028, 6788, 7535, 8485, 10960, 12056, 13576, 15070, 16970, 18667, 24112, 27152, 30140, 33940, 37334, 60280, 67880, 74668, 93335, 120560, 135760, 149336, 186670, 232489, 298672, 373340, 464978, 746680, 929956, 1162445, 1493360, 1859912, 2324890, 2557379, 3719824, 4649780, 5114758, 9299560, 10229516, 12786895, 18599120, 20459032, 25573790, 40918064, 51147580, 102295160, 204590320]

約数ペア:

[(1, 204590320), (2, 102295160), (4, 51147580), (5, 40918064), (8, 25573790), (10, 20459032), (11, 18599120), (16, 12786895), (20, 10229516), (22, 9299560), (40, 5114758), (44, 4649780), (55, 3719824), (80, 2557379), (88, 2324890), (110, 1859912), (137, 1493360), (176, 1162445), (220, 929956), (274, 746680), (440, 464978), (548, 373340), (685, 298672), (880, 232489), (1096, 186670), (1370, 149336), (1507, 135760), (1697, 120560), (2192, 93335), (2740, 74668), (3014, 67880), (3394, 60280), (5480, 37334), (6028, 33940), (6788, 30140), (7535, 27152), (8485, 24112), (10960, 18667), (12056, 16970), (13576, 15070)]