205500400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3191}}^1$

素因数の和:3239

約数の個数: 120

約数和(自身を含む): 588962304

約数和(自身を除く): 383461904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 161, 175, 184, 200, 230, 280, 322, 350, 368, 400, 460, 560, 575, 644, 700, 805, 920, 1150, 1288, 1400, 1610, 1840, 2300, 2576, 2800, 3191, 3220, 4025, 4600, 6382, 6440, 8050, 9200, 12764, 12880, 15955, 16100, 22337, 25528, 31910, 32200, 44674, 51056, 63820, 64400, 73393, 79775, 89348, 111685, 127640, 146786, 159550, 178696, 223370, 255280, 293572, 319100, 357392, 366965, 446740, 513751, 558425, 587144, 638200, 733930, 893480, 1027502, 1116850, 1174288, 1276400, 1467860, 1786960, 1834825, 2055004, 2233700, 2568755, 2935720, 3669650, 4110008, 4467400, 5137510, 5871440, 7339300, 8220016, 8934800, 10275020, 12843775, 14678600, 20550040, 25687550, 29357200, 41100080, 51375100, 102750200, 205500400]

約数ペア:

[(1, 205500400), (2, 102750200), (4, 51375100), (5, 41100080), (7, 29357200), (8, 25687550), (10, 20550040), (14, 14678600), (16, 12843775), (20, 10275020), (23, 8934800), (25, 8220016), (28, 7339300), (35, 5871440), (40, 5137510), (46, 4467400), (50, 4110008), (56, 3669650), (70, 2935720), (80, 2568755), (92, 2233700), (100, 2055004), (112, 1834825), (115, 1786960), (140, 1467860), (161, 1276400), (175, 1174288), (184, 1116850), (200, 1027502), (230, 893480), (280, 733930), (322, 638200), (350, 587144), (368, 558425), (400, 513751), (460, 446740), (560, 366965), (575, 357392), (644, 319100), (700, 293572), (805, 255280), (920, 223370), (1150, 178696), (1288, 159550), (1400, 146786), (1610, 127640), (1840, 111685), (2300, 89348), (2576, 79775), (2800, 73393), (3191, 64400), (3220, 63820), (4025, 51056), (4600, 44674), (6382, 32200), (6440, 31910), (8050, 25528), (9200, 22337), (12764, 16100), (12880, 15955)]