209268640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:447

約数の個数: 192

約数和(自身を含む): 620524800

約数和(自身を除く): 411256160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 29, 32, 34, 35, 40, 56, 58, 68, 70, 80, 85, 112, 116, 119, 136, 140, 145, 160, 170, 203, 224, 232, 238, 272, 280, 290, 340, 379, 406, 464, 476, 493, 544, 560, 580, 595, 680, 758, 812, 928, 952, 986, 1015, 1120, 1160, 1190, 1360, 1516, 1624, 1895, 1904, 1972, 2030, 2320, 2380, 2465, 2653, 2720, 3032, 3248, 3451, 3790, 3808, 3944, 4060, 4640, 4760, 4930, 5306, 6064, 6443, 6496, 6902, 7580, 7888, 8120, 9520, 9860, 10612, 10991, 12128, 12886, 13265, 13804, 15160, 15776, 16240, 17255, 19040, 19720, 21224, 21982, 25772, 26530, 27608, 30320, 32215, 32480, 34510, 39440, 42448, 43964, 45101, 51544, 53060, 54955, 55216, 60640, 64430, 69020, 76937, 78880, 84896, 87928, 90202, 103088, 106120, 109910, 110432, 128860, 138040, 153874, 175856, 180404, 186847, 206176, 212240, 219820, 225505, 257720, 276080, 307748, 351712, 360808, 373694, 384685, 424480, 439640, 451010, 515440, 552160, 615496, 721616, 747388, 769370, 879280, 902020, 934235, 1030880, 1230992, 1307929, 1443232, 1494776, 1538740, 1758560, 1804040, 1868470, 2461984, 2615858, 2989552, 3077480, 3608080, 3736940, 5231716, 5979104, 6154960, 6539645, 7216160, 7473880, 10463432, 12309920, 13079290, 14947760, 20926864, 26158580, 29895520, 41853728, 52317160, 104634320, 209268640]

約数ペア:

[(1, 209268640), (2, 104634320), (4, 52317160), (5, 41853728), (7, 29895520), (8, 26158580), (10, 20926864), (14, 14947760), (16, 13079290), (17, 12309920), (20, 10463432), (28, 7473880), (29, 7216160), (32, 6539645), (34, 6154960), (35, 5979104), (40, 5231716), (56, 3736940), (58, 3608080), (68, 3077480), (70, 2989552), (80, 2615858), (85, 2461984), (112, 1868470), (116, 1804040), (119, 1758560), (136, 1538740), (140, 1494776), (145, 1443232), (160, 1307929), (170, 1230992), (203, 1030880), (224, 934235), (232, 902020), (238, 879280), (272, 769370), (280, 747388), (290, 721616), (340, 615496), (379, 552160), (406, 515440), (464, 451010), (476, 439640), (493, 424480), (544, 384685), (560, 373694), (580, 360808), (595, 351712), (680, 307748), (758, 276080), (812, 257720), (928, 225505), (952, 219820), (986, 212240), (1015, 206176), (1120, 186847), (1160, 180404), (1190, 175856), (1360, 153874), (1516, 138040), (1624, 128860), (1895, 110432), (1904, 109910), (1972, 106120), (2030, 103088), (2320, 90202), (2380, 87928), (2465, 84896), (2653, 78880), (2720, 76937), (3032, 69020), (3248, 64430), (3451, 60640), (3790, 55216), (3808, 54955), (3944, 53060), (4060, 51544), (4640, 45101), (4760, 43964), (4930, 42448), (5306, 39440), (6064, 34510), (6443, 32480), (6496, 32215), (6902, 30320), (7580, 27608), (7888, 26530), (8120, 25772), (9520, 21982), (9860, 21224), (10612, 19720), (10991, 19040), (12128, 17255), (12886, 16240), (13265, 15776), (13804, 15160)]