201809920

素因数分解:

$2^{13}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:423

約数の個数: 112

約数和(自身を含む): 522945360

約数和(自身を除く): 321135440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 379, 416, 512, 520, 640, 758, 832, 1024, 1040, 1280, 1516, 1664, 1895, 2048, 2080, 2560, 3032, 3328, 3790, 4096, 4160, 4927, 5120, 6064, 6656, 7580, 8192, 8320, 9854, 10240, 12128, 13312, 15160, 16640, 19708, 20480, 24256, 24635, 26624, 30320, 33280, 39416, 40960, 48512, 49270, 53248, 60640, 66560, 78832, 97024, 98540, 106496, 121280, 133120, 157664, 194048, 197080, 242560, 266240, 315328, 388096, 394160, 485120, 532480, 630656, 776192, 788320, 970240, 1261312, 1552384, 1576640, 1940480, 2522624, 3104768, 3153280, 3880960, 5045248, 6306560, 7761920, 10090496, 12613120, 15523840, 20180992, 25226240, 40361984, 50452480, 100904960, 201809920]

約数ペア:

[(1, 201809920), (2, 100904960), (4, 50452480), (5, 40361984), (8, 25226240), (10, 20180992), (13, 15523840), (16, 12613120), (20, 10090496), (26, 7761920), (32, 6306560), (40, 5045248), (52, 3880960), (64, 3153280), (65, 3104768), (80, 2522624), (104, 1940480), (128, 1576640), (130, 1552384), (160, 1261312), (208, 970240), (256, 788320), (260, 776192), (320, 630656), (379, 532480), (416, 485120), (512, 394160), (520, 388096), (640, 315328), (758, 266240), (832, 242560), (1024, 197080), (1040, 194048), (1280, 157664), (1516, 133120), (1664, 121280), (1895, 106496), (2048, 98540), (2080, 97024), (2560, 78832), (3032, 66560), (3328, 60640), (3790, 53248), (4096, 49270), (4160, 48512), (4927, 40960), (5120, 39416), (6064, 33280), (6656, 30320), (7580, 26624), (8192, 24635), (8320, 24256), (9854, 20480), (10240, 19708), (12128, 16640), (13312, 15160)]