455840

素因数分解:

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

素因数の和:70

約数の個数: 96

約数和(自身を含む): 1378944

約数和(自身を除く): 923104

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 37, 40, 44, 55, 56, 70, 74, 77, 80, 88, 110, 112, 140, 148, 154, 160, 176, 185, 220, 224, 259, 280, 296, 308, 352, 370, 385, 407, 440, 518, 560, 592, 616, 740, 770, 814, 880, 1036, 1120, 1184, 1232, 1295, 1480, 1540, 1628, 1760, 2035, 2072, 2464, 2590, 2849, 2960, 3080, 3256, 4070, 4144, 5180, 5698, 5920, 6160, 6512, 8140, 8288, 10360, 11396, 12320, 13024, 14245, 16280, 20720, 22792, 28490, 32560, 41440, 45584, 56980, 65120, 91168, 113960, 227920, 455840]

約数ペア:

[(1, 455840), (2, 227920), (4, 113960), (5, 91168), (7, 65120), (8, 56980), (10, 45584), (11, 41440), (14, 32560), (16, 28490), (20, 22792), (22, 20720), (28, 16280), (32, 14245), (35, 13024), (37, 12320), (40, 11396), (44, 10360), (55, 8288), (56, 8140), (70, 6512), (74, 6160), (77, 5920), (80, 5698), (88, 5180), (110, 4144), (112, 4070), (140, 3256), (148, 3080), (154, 2960), (160, 2849), (176, 2590), (185, 2464), (220, 2072), (224, 2035), (259, 1760), (280, 1628), (296, 1540), (308, 1480), (352, 1295), (370, 1232), (385, 1184), (407, 1120), (440, 1036), (518, 880), (560, 814), (592, 770), (616, 740)]