About the Number

389472432

389472431 ← → 389472433

2進数表記:10111001101101110000010110000

漢数字表記:三億八千九百四十七万二千四百三十二

素因数分解:

2 4 × 3 1 × 23 1 × 131 1 × 2693 1

素因数の和:2858
約数の個数: 80
約数和(自身を含む): 1058289408
約数和(自身を除く): 668816976

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 131, 138, 184, 262, 276, 368, 393, 524, 552, 786, 1048, 1104, 1572, 2096, 2693, 3013, 3144, 5386, 6026, 6288, 8079, 9039, 10772, 12052, 16158, 18078, 21544, 24104, 32316, 36156, 43088, 48208, 61939, 64632, 72312, 123878, 129264, 144624, 185817, 247756, 352783, 371634, 495512, 705566, 743268, 991024, 1058349, 1411132, 1486536, 2116698, 2822264, 2973072, 4233396, 5644528, 8114009, 8466792, 16228018, 16933584, 24342027, 32456036, 48684054, 64912072, 97368108, 129824144, 194736216, 389472432]

約数ペア:
[(1, 389472432), (2, 194736216), (3, 129824144), (4, 97368108), (6, 64912072), (8, 48684054), (12, 32456036), (16, 24342027), (23, 16933584), (24, 16228018), (46, 8466792), (48, 8114009), (69, 5644528), (92, 4233396), (131, 2973072), (138, 2822264), (184, 2116698), (262, 1486536), (276, 1411132), (368, 1058349), (393, 991024), (524, 743268), (552, 705566), (786, 495512), (1048, 371634), (1104, 352783), (1572, 247756), (2096, 185817), (2693, 144624), (3013, 129264), (3144, 123878), (5386, 72312), (6026, 64632), (6288, 61939), (8079, 48208), (9039, 43088), (10772, 36156), (12052, 32316), (16158, 24104), (18078, 21544)]

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