208679240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9679}}^1$

素因数の和:9715

約数の個数: 96

約数和(自身を含む): 595900800

約数和(自身を除く): 387221560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1960, 2156, 2695, 3080, 4312, 5390, 9679, 10780, 19358, 21560, 38716, 48395, 67753, 77432, 96790, 106469, 135506, 193580, 212938, 271012, 338765, 387160, 425876, 474271, 532345, 542024, 677530, 745283, 851752, 948542, 1064690, 1355060, 1490566, 1897084, 2129380, 2371355, 2710120, 2981132, 3726415, 3794168, 4258760, 4742710, 5216981, 5962264, 7452830, 9485420, 10433962, 14905660, 18970840, 20867924, 26084905, 29811320, 41735848, 52169810, 104339620, 208679240]

約数ペア:

[(1, 208679240), (2, 104339620), (4, 52169810), (5, 41735848), (7, 29811320), (8, 26084905), (10, 20867924), (11, 18970840), (14, 14905660), (20, 10433962), (22, 9485420), (28, 7452830), (35, 5962264), (40, 5216981), (44, 4742710), (49, 4258760), (55, 3794168), (56, 3726415), (70, 2981132), (77, 2710120), (88, 2371355), (98, 2129380), (110, 1897084), (140, 1490566), (154, 1355060), (196, 1064690), (220, 948542), (245, 851752), (280, 745283), (308, 677530), (385, 542024), (392, 532345), (440, 474271), (490, 425876), (539, 387160), (616, 338765), (770, 271012), (980, 212938), (1078, 193580), (1540, 135506), (1960, 106469), (2156, 96790), (2695, 77432), (3080, 67753), (4312, 48395), (5390, 38716), (9679, 21560), (10780, 19358)]