About the Number

201212130

201212129 ← → 201212131

2進数表記:1011111111100100000011100010

漢数字表記:二億百二十一万二千百三十

素因数分解:

2 1 × 3 1 × 5 1 × 7 2 × 136879 1

素因数の和:136903
約数の個数: 48
約数和(自身を含む): 561755520
約数和(自身を除く): 360543390

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 136879, 273758, 410637, 684395, 821274, 958153, 1368790, 1916306, 2053185, 2874459, 4106370, 4790765, 5748918, 6707071, 9581530, 13414142, 14372295, 20121213, 28744590, 33535355, 40242426, 67070710, 100606065, 201212130]

約数ペア:
[(1, 201212130), (2, 100606065), (3, 67070710), (5, 40242426), (6, 33535355), (7, 28744590), (10, 20121213), (14, 14372295), (15, 13414142), (21, 9581530), (30, 6707071), (35, 5748918), (42, 4790765), (49, 4106370), (70, 2874459), (98, 2053185), (105, 1916306), (147, 1368790), (210, 958153), (245, 821274), (294, 684395), (490, 410637), (735, 273758), (1470, 136879)]

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