306131980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1451}}^1$

素因数の和:1615

約数の個数: 96

約数和(自身を含む): 807916032

約数和(自身を除く): 501784052

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 137, 140, 154, 220, 274, 308, 385, 548, 685, 770, 959, 1370, 1451, 1507, 1540, 1918, 2740, 2902, 3014, 3836, 4795, 5804, 6028, 7255, 7535, 9590, 10157, 10549, 14510, 15070, 15961, 19180, 20314, 21098, 29020, 30140, 31922, 40628, 42196, 50785, 52745, 63844, 79805, 101570, 105490, 111727, 159610, 198787, 203140, 210980, 223454, 319220, 397574, 446908, 558635, 795148, 993935, 1117270, 1391509, 1987870, 2186657, 2234540, 2783018, 3975740, 4373314, 5566036, 6957545, 8746628, 10933285, 13915090, 15306599, 21866570, 27830180, 30613198, 43733140, 61226396, 76532995, 153065990, 306131980]

約数ペア:

[(1, 306131980), (2, 153065990), (4, 76532995), (5, 61226396), (7, 43733140), (10, 30613198), (11, 27830180), (14, 21866570), (20, 15306599), (22, 13915090), (28, 10933285), (35, 8746628), (44, 6957545), (55, 5566036), (70, 4373314), (77, 3975740), (110, 2783018), (137, 2234540), (140, 2186657), (154, 1987870), (220, 1391509), (274, 1117270), (308, 993935), (385, 795148), (548, 558635), (685, 446908), (770, 397574), (959, 319220), (1370, 223454), (1451, 210980), (1507, 203140), (1540, 198787), (1918, 159610), (2740, 111727), (2902, 105490), (3014, 101570), (3836, 79805), (4795, 63844), (5804, 52745), (6028, 50785), (7255, 42196), (7535, 40628), (9590, 31922), (10157, 30140), (10549, 29020), (14510, 21098), (15070, 20314), (15961, 19180)]