866668880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:338

約数の個数: 240

約数和(自身を含む): 2595369600

約数和(自身を除く): 1728700720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 101, 110, 112, 140, 154, 176, 196, 199, 202, 220, 245, 280, 308, 385, 392, 398, 404, 440, 490, 505, 539, 560, 616, 707, 770, 784, 796, 808, 880, 980, 995, 1010, 1078, 1111, 1232, 1393, 1414, 1540, 1592, 1616, 1960, 1990, 2020, 2156, 2189, 2222, 2695, 2786, 2828, 3080, 3184, 3535, 3920, 3980, 4040, 4312, 4378, 4444, 4949, 5390, 5555, 5572, 5656, 6160, 6965, 7070, 7777, 7960, 8080, 8624, 8756, 8888, 9751, 9898, 10780, 10945, 11110, 11144, 11312, 13930, 14140, 15323, 15554, 15920, 17512, 17776, 19502, 19796, 20099, 21560, 21890, 22220, 22288, 24745, 27860, 28280, 30646, 31108, 35024, 38885, 39004, 39592, 40198, 43120, 43780, 44440, 48755, 49490, 54439, 55720, 56560, 61292, 62216, 76615, 77770, 78008, 79184, 80396, 87560, 88880, 97510, 98980, 100495, 107261, 108878, 111440, 122584, 124432, 140693, 153230, 155540, 156016, 160792, 175120, 195020, 197960, 200990, 214522, 217756, 221089, 245168, 272195, 281386, 306460, 311080, 321584, 390040, 395920, 401980, 429044, 435512, 442178, 536305, 544390, 562772, 612920, 622160, 703465, 780080, 803960, 858088, 871024, 884356, 984851, 1072610, 1088780, 1105445, 1125544, 1225840, 1406930, 1547623, 1607920, 1716176, 1768712, 1969702, 2145220, 2177560, 2210890, 2251088, 2813860, 3095246, 3537424, 3939404, 4290440, 4355120, 4421780, 4924255, 5627720, 6190492, 7738115, 7878808, 8580880, 8843560, 9848510, 10833361, 11255440, 12380984, 15476230, 15757616, 17687120, 19697020, 21666722, 24761968, 30952460, 39394040, 43333444, 54166805, 61904920, 78788080, 86666888, 108333610, 123809840, 173333776, 216667220, 433334440, 866668880]

約数ペア:

[(1, 866668880), (2, 433334440), (4, 216667220), (5, 173333776), (7, 123809840), (8, 108333610), (10, 86666888), (11, 78788080), (14, 61904920), (16, 54166805), (20, 43333444), (22, 39394040), (28, 30952460), (35, 24761968), (40, 21666722), (44, 19697020), (49, 17687120), (55, 15757616), (56, 15476230), (70, 12380984), (77, 11255440), (80, 10833361), (88, 9848510), (98, 8843560), (101, 8580880), (110, 7878808), (112, 7738115), (140, 6190492), (154, 5627720), (176, 4924255), (196, 4421780), (199, 4355120), (202, 4290440), (220, 3939404), (245, 3537424), (280, 3095246), (308, 2813860), (385, 2251088), (392, 2210890), (398, 2177560), (404, 2145220), (440, 1969702), (490, 1768712), (505, 1716176), (539, 1607920), (560, 1547623), (616, 1406930), (707, 1225840), (770, 1125544), (784, 1105445), (796, 1088780), (808, 1072610), (880, 984851), (980, 884356), (995, 871024), (1010, 858088), (1078, 803960), (1111, 780080), (1232, 703465), (1393, 622160), (1414, 612920), (1540, 562772), (1592, 544390), (1616, 536305), (1960, 442178), (1990, 435512), (2020, 429044), (2156, 401980), (2189, 395920), (2222, 390040), (2695, 321584), (2786, 311080), (2828, 306460), (3080, 281386), (3184, 272195), (3535, 245168), (3920, 221089), (3980, 217756), (4040, 214522), (4312, 200990), (4378, 197960), (4444, 195020), (4949, 175120), (5390, 160792), (5555, 156016), (5572, 155540), (5656, 153230), (6160, 140693), (6965, 124432), (7070, 122584), (7777, 111440), (7960, 108878), (8080, 107261), (8624, 100495), (8756, 98980), (8888, 97510), (9751, 88880), (9898, 87560), (10780, 80396), (10945, 79184), (11110, 78008), (11144, 77770), (11312, 76615), (13930, 62216), (14140, 61292), (15323, 56560), (15554, 55720), (15920, 54439), (17512, 49490), (17776, 48755), (19502, 44440), (19796, 43780), (20099, 43120), (21560, 40198), (21890, 39592), (22220, 39004), (22288, 38885), (24745, 35024), (27860, 31108), (28280, 30646)]