About the Number

427639920

427639919 ← → 427639921

2進数表記:11001011111010100010001110000

漢数字表記:四億二千七百六十三万九千九百二十

素因数分解:

2 4 × 3 1 × 5 1 × 23 1 × 77471 1

素因数の和:77510
約数の個数: 80
約数和(自身を含む): 1383340032
約数和(自身を除く): 955700112

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, 77471, 154942, 232413, 309884, 387355, 464826, 619768, 774710, 929652, 1162065, 1239536, 1549420, 1781833, 1859304, 2324130, 3098840, 3563666, 3718608, 4648260, 5345499, 6197680, 7127332, 8909165, 9296520, 10690998, 14254664, 17818330, 18593040, 21381996, 26727495, 28509328, 35636660, 42763992, 53454990, 71273320, 85527984, 106909980, 142546640, 213819960, 427639920]

約数ペア:
[(1, 427639920), (2, 213819960), (3, 142546640), (4, 106909980), (5, 85527984), (6, 71273320), (8, 53454990), (10, 42763992), (12, 35636660), (15, 28509328), (16, 26727495), (20, 21381996), (23, 18593040), (24, 17818330), (30, 14254664), (40, 10690998), (46, 9296520), (48, 8909165), (60, 7127332), (69, 6197680), (80, 5345499), (92, 4648260), (115, 3718608), (120, 3563666), (138, 3098840), (184, 2324130), (230, 1859304), (240, 1781833), (276, 1549420), (345, 1239536), (368, 1162065), (460, 929652), (552, 774710), (690, 619768), (920, 464826), (1104, 387355), (1380, 309884), (1840, 232413), (2760, 154942), (5520, 77471)]

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