340389280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3947}}^1$

素因数の和:3987

約数の個数: 144

約数和(自身を含む): 1020763296

約数和(自身を除く): 680374016

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1120, 1232, 1540, 1568, 1760, 1960, 2156, 2464, 2695, 3080, 3920, 3947, 4312, 5390, 6160, 7840, 7894, 8624, 10780, 12320, 15788, 17248, 19735, 21560, 27629, 31576, 39470, 43120, 43417, 55258, 63152, 78940, 86240, 86834, 110516, 126304, 138145, 157880, 173668, 193403, 217085, 221032, 276290, 303919, 315760, 347336, 386806, 434170, 442064, 552580, 607838, 631520, 694672, 773612, 868340, 884128, 967015, 1105160, 1215676, 1389344, 1519595, 1547224, 1736680, 1934030, 2127433, 2210320, 2431352, 3039190, 3094448, 3473360, 3868060, 4254866, 4420640, 4862704, 6078380, 6188896, 6946720, 7736120, 8509732, 9725408, 10637165, 12156760, 15472240, 17019464, 21274330, 24313520, 30944480, 34038928, 42548660, 48627040, 68077856, 85097320, 170194640, 340389280]

約数ペア:

[(1, 340389280), (2, 170194640), (4, 85097320), (5, 68077856), (7, 48627040), (8, 42548660), (10, 34038928), (11, 30944480), (14, 24313520), (16, 21274330), (20, 17019464), (22, 15472240), (28, 12156760), (32, 10637165), (35, 9725408), (40, 8509732), (44, 7736120), (49, 6946720), (55, 6188896), (56, 6078380), (70, 4862704), (77, 4420640), (80, 4254866), (88, 3868060), (98, 3473360), (110, 3094448), (112, 3039190), (140, 2431352), (154, 2210320), (160, 2127433), (176, 1934030), (196, 1736680), (220, 1547224), (224, 1519595), (245, 1389344), (280, 1215676), (308, 1105160), (352, 967015), (385, 884128), (392, 868340), (440, 773612), (490, 694672), (539, 631520), (560, 607838), (616, 552580), (770, 442064), (784, 434170), (880, 386806), (980, 347336), (1078, 315760), (1120, 303919), (1232, 276290), (1540, 221032), (1568, 217085), (1760, 193403), (1960, 173668), (2156, 157880), (2464, 138145), (2695, 126304), (3080, 110516), (3920, 86834), (3947, 86240), (4312, 78940), (5390, 63152), (6160, 55258), (7840, 43417), (7894, 43120), (8624, 39470), (10780, 31576), (12320, 27629), (15788, 21560), (17248, 19735)]