About the Number

213405840

213405839 ← → 213405841

2進数表記:1100101110000101000010010000

漢数字表記:二億千三百四十万五千八百四十

素因数分解:

2 4 × 3 4 × 5 1 × 32933 1

素因数の和:32958
約数の個数: 100
約数和(自身を含む): 741212604
約数和(自身を除く): 527806764

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 32933, 65866, 98799, 131732, 164665, 197598, 263464, 296397, 329330, 395196, 493995, 526928, 592794, 658660, 790392, 889191, 987990, 1185588, 1317320, 1481985, 1580784, 1778382, 1975980, 2371176, 2634640, 2667573, 2963970, 3556764, 3951960, 4445955, 4742352, 5335146, 5927940, 7113528, 7903920, 8891910, 10670292, 11855880, 13337865, 14227056, 17783820, 21340584, 23711760, 26675730, 35567640, 42681168, 53351460, 71135280, 106702920, 213405840]

約数ペア:
[(1, 213405840), (2, 106702920), (3, 71135280), (4, 53351460), (5, 42681168), (6, 35567640), (8, 26675730), (9, 23711760), (10, 21340584), (12, 17783820), (15, 14227056), (16, 13337865), (18, 11855880), (20, 10670292), (24, 8891910), (27, 7903920), (30, 7113528), (36, 5927940), (40, 5335146), (45, 4742352), (48, 4445955), (54, 3951960), (60, 3556764), (72, 2963970), (80, 2667573), (81, 2634640), (90, 2371176), (108, 1975980), (120, 1778382), (135, 1580784), (144, 1481985), (162, 1317320), (180, 1185588), (216, 987990), (240, 889191), (270, 790392), (324, 658660), (360, 592794), (405, 526928), (432, 493995), (540, 395196), (648, 329330), (720, 296397), (810, 263464), (1080, 197598), (1296, 164665), (1620, 131732), (2160, 98799), (3240, 65866), (6480, 32933)]

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