198597520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1777}}^1$

素因数の和:1928

約数の個数: 80

約数和(自身を含む): 507967488

約数和(自身を除く): 309369968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 127, 176, 220, 254, 440, 508, 635, 880, 1016, 1270, 1397, 1777, 2032, 2540, 2794, 3554, 5080, 5588, 6985, 7108, 8885, 10160, 11176, 13970, 14216, 17770, 19547, 22352, 27940, 28432, 35540, 39094, 55880, 71080, 78188, 97735, 111760, 142160, 156376, 195470, 225679, 312752, 390940, 451358, 781880, 902716, 1128395, 1563760, 1805432, 2256790, 2482469, 3610864, 4513580, 4964938, 9027160, 9929876, 12412345, 18054320, 19859752, 24824690, 39719504, 49649380, 99298760, 198597520]

約数ペア:

[(1, 198597520), (2, 99298760), (4, 49649380), (5, 39719504), (8, 24824690), (10, 19859752), (11, 18054320), (16, 12412345), (20, 9929876), (22, 9027160), (40, 4964938), (44, 4513580), (55, 3610864), (80, 2482469), (88, 2256790), (110, 1805432), (127, 1563760), (176, 1128395), (220, 902716), (254, 781880), (440, 451358), (508, 390940), (635, 312752), (880, 225679), (1016, 195470), (1270, 156376), (1397, 142160), (1777, 111760), (2032, 97735), (2540, 78188), (2794, 71080), (3554, 55880), (5080, 39094), (5588, 35540), (6985, 28432), (7108, 27940), (8885, 22352), (10160, 19547), (11176, 17770), (13970, 14216)]