About the Number

71387680

71387679 ← → 71387681

2進数表記:100010000010100101000100000

漢数字表記:七千百三十八万七千六百八十

素因数分解:

2 5 × 5 1 × 7 1 × 13 1 × 4903 1

素因数の和:4938
約数の個数: 96
約数和(自身を含む): 207615744
約数和(自身を除く): 136228064

約数列:
[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1456, 1820, 2080, 2912, 3640, 4903, 7280, 9806, 14560, 19612, 24515, 34321, 39224, 49030, 63739, 68642, 78448, 98060, 127478, 137284, 156896, 171605, 196120, 254956, 274568, 318695, 343210, 392240, 446173, 509912, 549136, 637390, 686420, 784480, 892346, 1019824, 1098272, 1274780, 1372840, 1784692, 2039648, 2230865, 2549560, 2745680, 3569384, 4461730, 5099120, 5491360, 7138768, 8923460, 10198240, 14277536, 17846920, 35693840, 71387680]

約数ペア:
[(1, 71387680), (2, 35693840), (4, 17846920), (5, 14277536), (7, 10198240), (8, 8923460), (10, 7138768), (13, 5491360), (14, 5099120), (16, 4461730), (20, 3569384), (26, 2745680), (28, 2549560), (32, 2230865), (35, 2039648), (40, 1784692), (52, 1372840), (56, 1274780), (65, 1098272), (70, 1019824), (80, 892346), (91, 784480), (104, 686420), (112, 637390), (130, 549136), (140, 509912), (160, 446173), (182, 392240), (208, 343210), (224, 318695), (260, 274568), (280, 254956), (364, 196120), (416, 171605), (455, 156896), (520, 137284), (560, 127478), (728, 98060), (910, 78448), (1040, 68642), (1120, 63739), (1456, 49030), (1820, 39224), (2080, 34321), (2912, 24515), (3640, 19612), (4903, 14560), (7280, 9806)]

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