About the Number

129427440

129427439 ← → 129427441

2進数表記:111101101101110011111110000

漢数字表記:一億二千九百四十二万七千四百四十

素因数分解:

2 4 × 3 1 × 5 1 × 23 1 × 23447 1

素因数の和:23486
約数の個数: 80
約数和(自身を含む): 418687488
約数和(自身を除く): 289260048

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 23447, 46894, 70341, 93788, 117235, 140682, 187576, 234470, 281364, 351705, 375152, 468940, 539281, 562728, 703410, 937880, 1078562, 1125456, 1406820, 1617843, 1875760, 2157124, 2696405, 2813640, 3235686, 4314248, 5392810, 5627280, 6471372, 8089215, 8628496, 10785620, 12942744, 16178430, 21571240, 25885488, 32356860, 43142480, 64713720, 129427440]

約数ペア:
[(1, 129427440), (2, 64713720), (3, 43142480), (4, 32356860), (5, 25885488), (6, 21571240), (8, 16178430), (10, 12942744), (12, 10785620), (15, 8628496), (16, 8089215), (20, 6471372), (23, 5627280), (24, 5392810), (30, 4314248), (40, 3235686), (46, 2813640), (48, 2696405), (60, 2157124), (69, 1875760), (80, 1617843), (92, 1406820), (115, 1125456), (120, 1078562), (138, 937880), (184, 703410), (230, 562728), (240, 539281), (276, 468940), (345, 375152), (368, 351705), (460, 281364), (552, 234470), (690, 187576), (920, 140682), (1104, 117235), (1380, 93788), (1840, 70341), (2760, 46894), (5520, 23447)]

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