About the Number

213387840

213387839 ← → 213387841

2進数表記:1100101110000000101001000000

漢数字表記:二億千三百三十八万七千八百四十

素因数分解:

2 6 × 3 2 × 5 1 × 74093 1

素因数の和:74116
約数の個数: 84
約数和(自身を含む): 733975164
約数和(自身を除く): 520587324

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 74093, 148186, 222279, 296372, 370465, 444558, 592744, 666837, 740930, 889116, 1111395, 1185488, 1333674, 1481860, 1778232, 2222790, 2370976, 2667348, 2963720, 3334185, 3556464, 4445580, 4741952, 5334696, 5927440, 6668370, 7112928, 8891160, 10669392, 11854880, 13336740, 14225856, 17782320, 21338784, 23709760, 26673480, 35564640, 42677568, 53346960, 71129280, 106693920, 213387840]

約数ペア:
[(1, 213387840), (2, 106693920), (3, 71129280), (4, 53346960), (5, 42677568), (6, 35564640), (8, 26673480), (9, 23709760), (10, 21338784), (12, 17782320), (15, 14225856), (16, 13336740), (18, 11854880), (20, 10669392), (24, 8891160), (30, 7112928), (32, 6668370), (36, 5927440), (40, 5334696), (45, 4741952), (48, 4445580), (60, 3556464), (64, 3334185), (72, 2963720), (80, 2667348), (90, 2370976), (96, 2222790), (120, 1778232), (144, 1481860), (160, 1333674), (180, 1185488), (192, 1111395), (240, 889116), (288, 740930), (320, 666837), (360, 592744), (480, 444558), (576, 370465), (720, 296372), (960, 222279), (1440, 148186), (2880, 74093)]

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