843920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1$

素因数の和:168

約数の個数: 80

約数和(自身を含む): 2464128

約数和(自身を除く): 1620208

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 137, 140, 154, 176, 220, 274, 280, 308, 385, 440, 548, 560, 616, 685, 770, 880, 959, 1096, 1232, 1370, 1507, 1540, 1918, 2192, 2740, 3014, 3080, 3836, 4795, 5480, 6028, 6160, 7535, 7672, 9590, 10549, 10960, 12056, 15070, 15344, 19180, 21098, 24112, 30140, 38360, 42196, 52745, 60280, 76720, 84392, 105490, 120560, 168784, 210980, 421960, 843920]

約数ペア:

[(1, 843920), (2, 421960), (4, 210980), (5, 168784), (7, 120560), (8, 105490), (10, 84392), (11, 76720), (14, 60280), (16, 52745), (20, 42196), (22, 38360), (28, 30140), (35, 24112), (40, 21098), (44, 19180), (55, 15344), (56, 15070), (70, 12056), (77, 10960), (80, 10549), (88, 9590), (110, 7672), (112, 7535), (137, 6160), (140, 6028), (154, 5480), (176, 4795), (220, 3836), (274, 3080), (280, 3014), (308, 2740), (385, 2192), (440, 1918), (548, 1540), (560, 1507), (616, 1370), (685, 1232), (770, 1096), (880, 959)]