About the Number

1207212912

1207212911 ← → 1207212913

2進数表記:1000111111101001001101101110000

漢数字表記:十二億七百二十一万二千九百十二

素因数分解:

2 4 × 3 2 × 31 1 × 37 1 × 7309 1

素因数の和:7391
約数の個数: 120
約数和(自身を含む): 3582250880
約数和(自身を除く): 2375037968

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 37, 48, 62, 72, 74, 93, 111, 124, 144, 148, 186, 222, 248, 279, 296, 333, 372, 444, 496, 558, 592, 666, 744, 888, 1116, 1147, 1332, 1488, 1776, 2232, 2294, 2664, 3441, 4464, 4588, 5328, 6882, 7309, 9176, 10323, 13764, 14618, 18352, 20646, 21927, 27528, 29236, 41292, 43854, 55056, 58472, 65781, 82584, 87708, 116944, 131562, 165168, 175416, 226579, 263124, 270433, 350832, 453158, 526248, 540866, 679737, 811299, 906316, 1052496, 1081732, 1359474, 1622598, 1812632, 2039211, 2163464, 2433897, 2718948, 3245196, 3625264, 4078422, 4326928, 4867794, 5437896, 6490392, 8156844, 8383423, 9735588, 10875792, 12980784, 16313688, 16766846, 19471176, 25150269, 32627376, 33533692, 38942352, 50300538, 67067384, 75450807, 100601076, 134134768, 150901614, 201202152, 301803228, 402404304, 603606456, 1207212912]

約数ペア:
[(1, 1207212912), (2, 603606456), (3, 402404304), (4, 301803228), (6, 201202152), (8, 150901614), (9, 134134768), (12, 100601076), (16, 75450807), (18, 67067384), (24, 50300538), (31, 38942352), (36, 33533692), (37, 32627376), (48, 25150269), (62, 19471176), (72, 16766846), (74, 16313688), (93, 12980784), (111, 10875792), (124, 9735588), (144, 8383423), (148, 8156844), (186, 6490392), (222, 5437896), (248, 4867794), (279, 4326928), (296, 4078422), (333, 3625264), (372, 3245196), (444, 2718948), (496, 2433897), (558, 2163464), (592, 2039211), (666, 1812632), (744, 1622598), (888, 1359474), (1116, 1081732), (1147, 1052496), (1332, 906316), (1488, 811299), (1776, 679737), (2232, 540866), (2294, 526248), (2664, 453158), (3441, 350832), (4464, 270433), (4588, 263124), (5328, 226579), (6882, 175416), (7309, 165168), (9176, 131562), (10323, 116944), (13764, 87708), (14618, 82584), (18352, 65781), (20646, 58472), (21927, 55056), (27528, 43854), (29236, 41292)]

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