1998377920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:220

約数の個数: 336

約数和(自身を含む): 6119676864

約数和(自身を除く): 4121298944

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 73, 77, 80, 88, 101, 110, 112, 121, 140, 146, 154, 160, 176, 202, 220, 224, 242, 280, 292, 308, 320, 352, 365, 385, 404, 440, 448, 484, 505, 511, 560, 584, 605, 616, 704, 707, 730, 770, 803, 808, 847, 880, 968, 1010, 1022, 1111, 1120, 1168, 1210, 1232, 1414, 1460, 1540, 1606, 1616, 1694, 1760, 1936, 2020, 2044, 2222, 2240, 2336, 2420, 2464, 2555, 2828, 2920, 3080, 3212, 3232, 3388, 3520, 3535, 3872, 4015, 4040, 4088, 4235, 4444, 4672, 4840, 4928, 5110, 5555, 5621, 5656, 5840, 6160, 6424, 6464, 6776, 7070, 7373, 7744, 7777, 8030, 8080, 8176, 8470, 8833, 8888, 9680, 10220, 11110, 11242, 11312, 11680, 12221, 12320, 12848, 13552, 14140, 14746, 15554, 16060, 16160, 16352, 16940, 17666, 17776, 19360, 20440, 22220, 22484, 22624, 23360, 24442, 24640, 25696, 27104, 28105, 28280, 29492, 31108, 32120, 32320, 32704, 33880, 35332, 35552, 36865, 38720, 38885, 40880, 44165, 44440, 44968, 45248, 48884, 51392, 51611, 54208, 56210, 56560, 58984, 61105, 61831, 62216, 64240, 67760, 70664, 71104, 73730, 77770, 81103, 81760, 85547, 88330, 88880, 89936, 97768, 103222, 112420, 113120, 117968, 122210, 123662, 124432, 128480, 135520, 141328, 147460, 155540, 162206, 163520, 171094, 176660, 177760, 179872, 195536, 206444, 224840, 226240, 235936, 244420, 247324, 248864, 256960, 258055, 271040, 282656, 294920, 309155, 311080, 324412, 342188, 353320, 355520, 359744, 391072, 405515, 412888, 427735, 449680, 471872, 488840, 494648, 497728, 516110, 565312, 567721, 589840, 618310, 622160, 648824, 684376, 706640, 782144, 811030, 825776, 855470, 892133, 899360, 977680, 989296, 1032220, 1135442, 1179680, 1236620, 1244320, 1297648, 1368752, 1413280, 1622060, 1651552, 1710940, 1784266, 1798720, 1955360, 1978592, 2064440, 2270884, 2359360, 2473240, 2488640, 2595296, 2737504, 2826560, 2838605, 3244120, 3303104, 3421880, 3568532, 3910720, 3957184, 4128880, 4460665, 4541768, 4946480, 5190592, 5475008, 5677210, 6244931, 6488240, 6843760, 7137064, 8257760, 8921330, 9083536, 9892960, 11354420, 12489862, 12976480, 13687520, 14274128, 16515520, 17842660, 18167072, 19785920, 22708840, 24979724, 25952960, 27375040, 28548256, 31224655, 35685320, 36334144, 45417680, 49959448, 57096512, 62449310, 71370640, 90835360, 99918896, 124898620, 142741280, 181670720, 199837792, 249797240, 285482560, 399675584, 499594480, 999188960, 1998377920]

約数ペア:

[(1, 1998377920), (2, 999188960), (4, 499594480), (5, 399675584), (7, 285482560), (8, 249797240), (10, 199837792), (11, 181670720), (14, 142741280), (16, 124898620), (20, 99918896), (22, 90835360), (28, 71370640), (32, 62449310), (35, 57096512), (40, 49959448), (44, 45417680), (55, 36334144), (56, 35685320), (64, 31224655), (70, 28548256), (73, 27375040), (77, 25952960), (80, 24979724), (88, 22708840), (101, 19785920), (110, 18167072), (112, 17842660), (121, 16515520), (140, 14274128), (146, 13687520), (154, 12976480), (160, 12489862), (176, 11354420), (202, 9892960), (220, 9083536), (224, 8921330), (242, 8257760), (280, 7137064), (292, 6843760), (308, 6488240), (320, 6244931), (352, 5677210), (365, 5475008), (385, 5190592), (404, 4946480), (440, 4541768), (448, 4460665), (484, 4128880), (505, 3957184), (511, 3910720), (560, 3568532), (584, 3421880), (605, 3303104), (616, 3244120), (704, 2838605), (707, 2826560), (730, 2737504), (770, 2595296), (803, 2488640), (808, 2473240), (847, 2359360), (880, 2270884), (968, 2064440), (1010, 1978592), (1022, 1955360), (1111, 1798720), (1120, 1784266), (1168, 1710940), (1210, 1651552), (1232, 1622060), (1414, 1413280), (1460, 1368752), (1540, 1297648), (1606, 1244320), (1616, 1236620), (1694, 1179680), (1760, 1135442), (1936, 1032220), (2020, 989296), (2044, 977680), (2222, 899360), (2240, 892133), (2336, 855470), (2420, 825776), (2464, 811030), (2555, 782144), (2828, 706640), (2920, 684376), (3080, 648824), (3212, 622160), (3232, 618310), (3388, 589840), (3520, 567721), (3535, 565312), (3872, 516110), (4015, 497728), (4040, 494648), (4088, 488840), (4235, 471872), (4444, 449680), (4672, 427735), (4840, 412888), (4928, 405515), (5110, 391072), (5555, 359744), (5621, 355520), (5656, 353320), (5840, 342188), (6160, 324412), (6424, 311080), (6464, 309155), (6776, 294920), (7070, 282656), (7373, 271040), (7744, 258055), (7777, 256960), (8030, 248864), (8080, 247324), (8176, 244420), (8470, 235936), (8833, 226240), (8888, 224840), (9680, 206444), (10220, 195536), (11110, 179872), (11242, 177760), (11312, 176660), (11680, 171094), (12221, 163520), (12320, 162206), (12848, 155540), (13552, 147460), (14140, 141328), (14746, 135520), (15554, 128480), (16060, 124432), (16160, 123662), (16352, 122210), (16940, 117968), (17666, 113120), (17776, 112420), (19360, 103222), (20440, 97768), (22220, 89936), (22484, 88880), (22624, 88330), (23360, 85547), (24442, 81760), (24640, 81103), (25696, 77770), (27104, 73730), (28105, 71104), (28280, 70664), (29492, 67760), (31108, 64240), (32120, 62216), (32320, 61831), (32704, 61105), (33880, 58984), (35332, 56560), (35552, 56210), (36865, 54208), (38720, 51611), (38885, 51392), (40880, 48884), (44165, 45248), (44440, 44968)]