208997910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:355

約数の個数: 192

約数和(自身を含む): 641571840

約数和(自身を除く): 432573930

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 30, 33, 38, 41, 45, 55, 57, 66, 82, 90, 95, 99, 110, 114, 123, 165, 171, 190, 198, 205, 209, 246, 271, 285, 330, 342, 369, 410, 418, 451, 495, 542, 570, 615, 627, 738, 779, 813, 855, 902, 990, 1045, 1230, 1254, 1353, 1355, 1558, 1626, 1710, 1845, 1881, 2090, 2255, 2337, 2439, 2706, 2710, 2981, 3135, 3690, 3762, 3895, 4059, 4065, 4510, 4674, 4878, 5149, 5962, 6270, 6765, 7011, 7790, 8118, 8130, 8569, 8943, 9405, 10298, 11111, 11685, 12195, 13530, 14022, 14905, 15447, 17138, 17886, 18810, 20295, 22222, 23370, 24390, 25707, 25745, 26829, 29810, 30894, 33333, 35055, 40590, 42845, 44715, 46341, 51414, 51490, 53658, 55555, 56639, 66666, 70110, 77121, 77235, 85690, 89430, 92682, 99999, 111110, 113278, 122221, 128535, 134145, 154242, 154470, 166665, 169917, 199998, 211109, 231705, 244442, 257070, 268290, 283195, 333330, 339834, 366663, 385605, 422218, 463410, 499995, 509751, 566390, 611105, 633327, 733326, 771210, 849585, 999990, 1019502, 1055545, 1099989, 1222210, 1266654, 1699170, 1833315, 1899981, 2111090, 2199978, 2322199, 2548755, 3166635, 3666630, 3799962, 4644398, 5097510, 5499945, 6333270, 6966597, 9499905, 10999890, 11610995, 13933194, 18999810, 20899791, 23221990, 34832985, 41799582, 69665970, 104498955, 208997910]

約数ペア:

[(1, 208997910), (2, 104498955), (3, 69665970), (5, 41799582), (6, 34832985), (9, 23221990), (10, 20899791), (11, 18999810), (15, 13933194), (18, 11610995), (19, 10999890), (22, 9499905), (30, 6966597), (33, 6333270), (38, 5499945), (41, 5097510), (45, 4644398), (55, 3799962), (57, 3666630), (66, 3166635), (82, 2548755), (90, 2322199), (95, 2199978), (99, 2111090), (110, 1899981), (114, 1833315), (123, 1699170), (165, 1266654), (171, 1222210), (190, 1099989), (198, 1055545), (205, 1019502), (209, 999990), (246, 849585), (271, 771210), (285, 733326), (330, 633327), (342, 611105), (369, 566390), (410, 509751), (418, 499995), (451, 463410), (495, 422218), (542, 385605), (570, 366663), (615, 339834), (627, 333330), (738, 283195), (779, 268290), (813, 257070), (855, 244442), (902, 231705), (990, 211109), (1045, 199998), (1230, 169917), (1254, 166665), (1353, 154470), (1355, 154242), (1558, 134145), (1626, 128535), (1710, 122221), (1845, 113278), (1881, 111110), (2090, 99999), (2255, 92682), (2337, 89430), (2439, 85690), (2706, 77235), (2710, 77121), (2981, 70110), (3135, 66666), (3690, 56639), (3762, 55555), (3895, 53658), (4059, 51490), (4065, 51414), (4510, 46341), (4674, 44715), (4878, 42845), (5149, 40590), (5962, 35055), (6270, 33333), (6765, 30894), (7011, 29810), (7790, 26829), (8118, 25745), (8130, 25707), (8569, 24390), (8943, 23370), (9405, 22222), (10298, 20295), (11111, 18810), (11685, 17886), (12195, 17138), (13530, 15447), (14022, 14905)]