388304840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{907}}^1$

素因数の和:1075

約数の個数: 128

約数和(自身を含む): 1098316800

約数和(自身を除く): 710011960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 139, 140, 154, 220, 278, 280, 308, 385, 440, 556, 616, 695, 770, 907, 973, 1112, 1390, 1529, 1540, 1814, 1946, 2780, 3058, 3080, 3628, 3892, 4535, 4865, 5560, 6116, 6349, 7256, 7645, 7784, 9070, 9730, 9977, 10703, 12232, 12698, 15290, 18140, 19460, 19954, 21406, 25396, 30580, 31745, 36280, 38920, 39908, 42812, 49885, 50792, 53515, 61160, 63490, 69839, 79816, 85624, 99770, 107030, 126073, 126980, 139678, 199540, 214060, 252146, 253960, 279356, 349195, 399080, 428120, 504292, 558712, 630365, 698390, 882511, 1008584, 1260730, 1386803, 1396780, 1765022, 2521460, 2773606, 2793560, 3530044, 4412555, 5042920, 5547212, 6934015, 7060088, 8825110, 9707621, 11094424, 13868030, 17650220, 19415242, 27736060, 35300440, 38830484, 48538105, 55472120, 77660968, 97076210, 194152420, 388304840]

約数ペア:

[(1, 388304840), (2, 194152420), (4, 97076210), (5, 77660968), (7, 55472120), (8, 48538105), (10, 38830484), (11, 35300440), (14, 27736060), (20, 19415242), (22, 17650220), (28, 13868030), (35, 11094424), (40, 9707621), (44, 8825110), (55, 7060088), (56, 6934015), (70, 5547212), (77, 5042920), (88, 4412555), (110, 3530044), (139, 2793560), (140, 2773606), (154, 2521460), (220, 1765022), (278, 1396780), (280, 1386803), (308, 1260730), (385, 1008584), (440, 882511), (556, 698390), (616, 630365), (695, 558712), (770, 504292), (907, 428120), (973, 399080), (1112, 349195), (1390, 279356), (1529, 253960), (1540, 252146), (1814, 214060), (1946, 199540), (2780, 139678), (3058, 126980), (3080, 126073), (3628, 107030), (3892, 99770), (4535, 85624), (4865, 79816), (5560, 69839), (6116, 63490), (6349, 61160), (7256, 53515), (7645, 50792), (7784, 49885), (9070, 42812), (9730, 39908), (9977, 38920), (10703, 36280), (12232, 31745), (12698, 30580), (15290, 25396), (18140, 21406), (19460, 19954)]