879734240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{101}}^2$

素因数の和:242

約数の個数: 216

約数和(自身を含む): 2663861256

約数和(自身を除く): 1784127016

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 101, 110, 112, 140, 154, 160, 176, 196, 202, 220, 224, 245, 280, 308, 352, 385, 392, 404, 440, 490, 505, 539, 560, 616, 707, 770, 784, 808, 880, 980, 1010, 1078, 1111, 1120, 1232, 1414, 1540, 1568, 1616, 1760, 1960, 2020, 2156, 2222, 2464, 2695, 2828, 3080, 3232, 3535, 3920, 4040, 4312, 4444, 4949, 5390, 5555, 5656, 6160, 7070, 7777, 7840, 8080, 8624, 8888, 9898, 10201, 10780, 11110, 11312, 12320, 14140, 15554, 16160, 17248, 17776, 19796, 20402, 21560, 22220, 22624, 24745, 28280, 31108, 35552, 38885, 39592, 40804, 43120, 44440, 49490, 51005, 54439, 56560, 62216, 71407, 77770, 79184, 81608, 86240, 88880, 98980, 102010, 108878, 112211, 113120, 124432, 142814, 155540, 158368, 163216, 177760, 197960, 204020, 217756, 224422, 248864, 272195, 285628, 311080, 326432, 357035, 395920, 408040, 435512, 448844, 499849, 544390, 561055, 571256, 622160, 714070, 785477, 791840, 816080, 871024, 897688, 999698, 1088780, 1122110, 1142512, 1244320, 1428140, 1570954, 1632160, 1742048, 1795376, 1999396, 2177560, 2244220, 2285024, 2499245, 2856280, 3141908, 3590752, 3927385, 3998792, 4355120, 4488440, 4998490, 5498339, 5712560, 6283816, 7854770, 7997584, 8710240, 8976880, 9996980, 10996678, 11425120, 12567632, 15709540, 15995168, 17953760, 19993960, 21993356, 25135264, 27491695, 31419080, 39987920, 43986712, 54983390, 62838160, 79975840, 87973424, 109966780, 125676320, 175946848, 219933560, 439867120, 879734240]

約数ペア:

[(1, 879734240), (2, 439867120), (4, 219933560), (5, 175946848), (7, 125676320), (8, 109966780), (10, 87973424), (11, 79975840), (14, 62838160), (16, 54983390), (20, 43986712), (22, 39987920), (28, 31419080), (32, 27491695), (35, 25135264), (40, 21993356), (44, 19993960), (49, 17953760), (55, 15995168), (56, 15709540), (70, 12567632), (77, 11425120), (80, 10996678), (88, 9996980), (98, 8976880), (101, 8710240), (110, 7997584), (112, 7854770), (140, 6283816), (154, 5712560), (160, 5498339), (176, 4998490), (196, 4488440), (202, 4355120), (220, 3998792), (224, 3927385), (245, 3590752), (280, 3141908), (308, 2856280), (352, 2499245), (385, 2285024), (392, 2244220), (404, 2177560), (440, 1999396), (490, 1795376), (505, 1742048), (539, 1632160), (560, 1570954), (616, 1428140), (707, 1244320), (770, 1142512), (784, 1122110), (808, 1088780), (880, 999698), (980, 897688), (1010, 871024), (1078, 816080), (1111, 791840), (1120, 785477), (1232, 714070), (1414, 622160), (1540, 571256), (1568, 561055), (1616, 544390), (1760, 499849), (1960, 448844), (2020, 435512), (2156, 408040), (2222, 395920), (2464, 357035), (2695, 326432), (2828, 311080), (3080, 285628), (3232, 272195), (3535, 248864), (3920, 224422), (4040, 217756), (4312, 204020), (4444, 197960), (4949, 177760), (5390, 163216), (5555, 158368), (5656, 155540), (6160, 142814), (7070, 124432), (7777, 113120), (7840, 112211), (8080, 108878), (8624, 102010), (8888, 98980), (9898, 88880), (10201, 86240), (10780, 81608), (11110, 79184), (11312, 77770), (12320, 71407), (14140, 62216), (15554, 56560), (16160, 54439), (17248, 51005), (17776, 49490), (19796, 44440), (20402, 43120), (21560, 40804), (22220, 39592), (22624, 38885), (24745, 35552), (28280, 31108)]