227920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:68

約数の個数: 80

約数和(自身を含む): 678528

約数和(自身を除く): 450608

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 37, 40, 44, 55, 56, 70, 74, 77, 80, 88, 110, 112, 140, 148, 154, 176, 185, 220, 259, 280, 296, 308, 370, 385, 407, 440, 518, 560, 592, 616, 740, 770, 814, 880, 1036, 1232, 1295, 1480, 1540, 1628, 2035, 2072, 2590, 2849, 2960, 3080, 3256, 4070, 4144, 5180, 5698, 6160, 6512, 8140, 10360, 11396, 14245, 16280, 20720, 22792, 28490, 32560, 45584, 56980, 113960, 227920]

約数ペア:

[(1, 227920), (2, 113960), (4, 56980), (5, 45584), (7, 32560), (8, 28490), (10, 22792), (11, 20720), (14, 16280), (16, 14245), (20, 11396), (22, 10360), (28, 8140), (35, 6512), (37, 6160), (40, 5698), (44, 5180), (55, 4144), (56, 4070), (70, 3256), (74, 3080), (77, 2960), (80, 2849), (88, 2590), (110, 2072), (112, 2035), (140, 1628), (148, 1540), (154, 1480), (176, 1295), (185, 1232), (220, 1036), (259, 880), (280, 814), (296, 770), (308, 740), (370, 616), (385, 592), (407, 560), (440, 518)]