About the Number

207920

207919 ← → 207921

2進数表記:110010110000110000

漢数字表記:二十万七千九百二十

素因数分解:

2 4 × 5 1 × 23 1 × 113 1

素因数の和:149
約数の個数: 40
約数和(自身を含む): 508896
約数和(自身を除く): 300976

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 113, 115, 184, 226, 230, 368, 452, 460, 565, 904, 920, 1130, 1808, 1840, 2260, 2599, 4520, 5198, 9040, 10396, 12995, 20792, 25990, 41584, 51980, 103960, 207920]

約数ペア:
[(1, 207920), (2, 103960), (4, 51980), (5, 41584), (8, 25990), (10, 20792), (16, 12995), (20, 10396), (23, 9040), (40, 5198), (46, 4520), (80, 2599), (92, 2260), (113, 1840), (115, 1808), (184, 1130), (226, 920), (230, 904), (368, 565), (452, 460)]

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