About the Number

209906640

209906639 ← → 209906641

2進数表記:1100100000101110101111010000

漢数字表記:二億九百九十万六千六百四十

素因数分解:

2 4 × 3 4 × 5 1 × 29 1 × 1117 1

素因数の和:1171
約数の個数: 200
約数和(自身を含む): 754851240
約数和(自身を除く): 544944600

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 72, 80, 81, 87, 90, 108, 116, 120, 135, 144, 145, 162, 174, 180, 216, 232, 240, 261, 270, 290, 324, 348, 360, 405, 432, 435, 464, 522, 540, 580, 648, 696, 720, 783, 810, 870, 1044, 1080, 1117, 1160, 1296, 1305, 1392, 1566, 1620, 1740, 2088, 2160, 2234, 2320, 2349, 2610, 3132, 3240, 3351, 3480, 3915, 4176, 4468, 4698, 5220, 5585, 6264, 6480, 6702, 6960, 7830, 8936, 9396, 10053, 10440, 11170, 11745, 12528, 13404, 15660, 16755, 17872, 18792, 20106, 20880, 22340, 23490, 26808, 30159, 31320, 32393, 33510, 37584, 40212, 44680, 46980, 50265, 53616, 60318, 62640, 64786, 67020, 80424, 89360, 90477, 93960, 97179, 100530, 120636, 129572, 134040, 150795, 160848, 161965, 180954, 187920, 194358, 201060, 241272, 259144, 268080, 291537, 301590, 323930, 361908, 388716, 402120, 452385, 482544, 485895, 518288, 583074, 603180, 647860, 723816, 777432, 804240, 874611, 904770, 971790, 1166148, 1206360, 1295720, 1447632, 1457685, 1554864, 1749222, 1809540, 1943580, 2332296, 2412720, 2591440, 2623833, 2915370, 3498444, 3619080, 3887160, 4373055, 4664592, 5247666, 5830740, 6996888, 7238160, 7774320, 8746110, 10495332, 11661480, 13119165, 13993776, 17492220, 20990664, 23322960, 26238330, 34984440, 41981328, 52476660, 69968880, 104953320, 209906640]

約数ペア:
[(1, 209906640), (2, 104953320), (3, 69968880), (4, 52476660), (5, 41981328), (6, 34984440), (8, 26238330), (9, 23322960), (10, 20990664), (12, 17492220), (15, 13993776), (16, 13119165), (18, 11661480), (20, 10495332), (24, 8746110), (27, 7774320), (29, 7238160), (30, 6996888), (36, 5830740), (40, 5247666), (45, 4664592), (48, 4373055), (54, 3887160), (58, 3619080), (60, 3498444), (72, 2915370), (80, 2623833), (81, 2591440), (87, 2412720), (90, 2332296), (108, 1943580), (116, 1809540), (120, 1749222), (135, 1554864), (144, 1457685), (145, 1447632), (162, 1295720), (174, 1206360), (180, 1166148), (216, 971790), (232, 904770), (240, 874611), (261, 804240), (270, 777432), (290, 723816), (324, 647860), (348, 603180), (360, 583074), (405, 518288), (432, 485895), (435, 482544), (464, 452385), (522, 402120), (540, 388716), (580, 361908), (648, 323930), (696, 301590), (720, 291537), (783, 268080), (810, 259144), (870, 241272), (1044, 201060), (1080, 194358), (1117, 187920), (1160, 180954), (1296, 161965), (1305, 160848), (1392, 150795), (1566, 134040), (1620, 129572), (1740, 120636), (2088, 100530), (2160, 97179), (2234, 93960), (2320, 90477), (2349, 89360), (2610, 80424), (3132, 67020), (3240, 64786), (3351, 62640), (3480, 60318), (3915, 53616), (4176, 50265), (4468, 46980), (4698, 44680), (5220, 40212), (5585, 37584), (6264, 33510), (6480, 32393), (6702, 31320), (6960, 30159), (7830, 26808), (8936, 23490), (9396, 22340), (10053, 20880), (10440, 20106), (11170, 18792), (11745, 17872), (12528, 16755), (13404, 15660)]

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