1378903904

素因数分解:

$2^5\times 7^4\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:306

約数の個数: 120

約数和(自身を含む): 3214450008

約数和(自身を除く): 1835546104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 131, 137, 196, 224, 262, 274, 343, 392, 524, 548, 686, 784, 917, 959, 1048, 1096, 1372, 1568, 1834, 1918, 2096, 2192, 2401, 2744, 3668, 3836, 4192, 4384, 4802, 5488, 6419, 6713, 7336, 7672, 9604, 10976, 12838, 13426, 14672, 15344, 17947, 19208, 25676, 26852, 29344, 30688, 35894, 38416, 44933, 46991, 51352, 53704, 71788, 76832, 89866, 93982, 102704, 107408, 125629, 143576, 179732, 187964, 205408, 214816, 251258, 287152, 314531, 328937, 359464, 375928, 502516, 574304, 629062, 657874, 718928, 751856, 879403, 1005032, 1258124, 1315748, 1437856, 1503712, 1758806, 2010064, 2516248, 2631496, 3517612, 4020128, 5032496, 5262992, 6155821, 7035224, 10064992, 10525984, 12311642, 14070448, 24623284, 28140896, 43090747, 49246568, 86181494, 98493136, 172362988, 196986272, 344725976, 689451952, 1378903904]

約数ペア:

[(1, 1378903904), (2, 689451952), (4, 344725976), (7, 196986272), (8, 172362988), (14, 98493136), (16, 86181494), (28, 49246568), (32, 43090747), (49, 28140896), (56, 24623284), (98, 14070448), (112, 12311642), (131, 10525984), (137, 10064992), (196, 7035224), (224, 6155821), (262, 5262992), (274, 5032496), (343, 4020128), (392, 3517612), (524, 2631496), (548, 2516248), (686, 2010064), (784, 1758806), (917, 1503712), (959, 1437856), (1048, 1315748), (1096, 1258124), (1372, 1005032), (1568, 879403), (1834, 751856), (1918, 718928), (2096, 657874), (2192, 629062), (2401, 574304), (2744, 502516), (3668, 375928), (3836, 359464), (4192, 328937), (4384, 314531), (4802, 287152), (5488, 251258), (6419, 214816), (6713, 205408), (7336, 187964), (7672, 179732), (9604, 143576), (10976, 125629), (12838, 107408), (13426, 102704), (14672, 93982), (15344, 89866), (17947, 76832), (19208, 71788), (25676, 53704), (26852, 51352), (29344, 46991), (30688, 44933), (35894, 38416)]