1997602012

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:468

約数の個数: 144

約数和(自身を含む): 4524660000

約数和(自身を除く): 2527057988

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 49, 53, 58, 76, 98, 106, 116, 133, 196, 203, 212, 266, 349, 371, 406, 532, 551, 698, 742, 812, 931, 1007, 1102, 1396, 1421, 1484, 1537, 1862, 2014, 2204, 2443, 2597, 2842, 3074, 3724, 3857, 4028, 4886, 5194, 5684, 6148, 6631, 7049, 7714, 9772, 10121, 10388, 10759, 13262, 14098, 15428, 17101, 18497, 20242, 21518, 26524, 26999, 28196, 29203, 34202, 36994, 40484, 43036, 46417, 49343, 53998, 58406, 68404, 70847, 73988, 75313, 92834, 98686, 107996, 116812, 129479, 141694, 150626, 185668, 192299, 197372, 204421, 258958, 283388, 301252, 324919, 351443, 384598, 408842, 495929, 517916, 536413, 649838, 702886, 769196, 817684, 906353, 991858, 1072826, 1299676, 1346093, 1405772, 1430947, 1812706, 1983716, 2145652, 2460101, 2692186, 2861894, 3625412, 3754891, 4920202, 5384372, 5723788, 7509782, 9422651, 9840404, 10191847, 15019564, 17220707, 18845302, 20383694, 26284237, 34441414, 37690604, 40767388, 52568474, 68882828, 71342929, 105136948, 142685858, 285371716, 499400503, 998801006, 1997602012]

約数ペア:

[(1, 1997602012), (2, 998801006), (4, 499400503), (7, 285371716), (14, 142685858), (19, 105136948), (28, 71342929), (29, 68882828), (38, 52568474), (49, 40767388), (53, 37690604), (58, 34441414), (76, 26284237), (98, 20383694), (106, 18845302), (116, 17220707), (133, 15019564), (196, 10191847), (203, 9840404), (212, 9422651), (266, 7509782), (349, 5723788), (371, 5384372), (406, 4920202), (532, 3754891), (551, 3625412), (698, 2861894), (742, 2692186), (812, 2460101), (931, 2145652), (1007, 1983716), (1102, 1812706), (1396, 1430947), (1421, 1405772), (1484, 1346093), (1537, 1299676), (1862, 1072826), (2014, 991858), (2204, 906353), (2443, 817684), (2597, 769196), (2842, 702886), (3074, 649838), (3724, 536413), (3857, 517916), (4028, 495929), (4886, 408842), (5194, 384598), (5684, 351443), (6148, 324919), (6631, 301252), (7049, 283388), (7714, 258958), (9772, 204421), (10121, 197372), (10388, 192299), (10759, 185668), (13262, 150626), (14098, 141694), (15428, 129479), (17101, 116812), (18497, 107996), (20242, 98686), (21518, 92834), (26524, 75313), (26999, 73988), (28196, 70847), (29203, 68404), (34202, 58406), (36994, 53998), (40484, 49343), (43036, 46417)]