About the Number

129100790

129100789 ← → 129100791

2進数表記:111101100011110101111110110

漢数字表記:一億二千九百十万七百九十

素因数分解:

2 1 × 5 1 × 7 2 × 13 2 × 1559 1

素因数の和:1606
約数の個数: 72
約数和(自身を含む): 292902480
約数和(自身を除く): 163801690

約数列:
[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 169, 182, 245, 338, 455, 490, 637, 845, 910, 1183, 1274, 1559, 1690, 2366, 3118, 3185, 5915, 6370, 7795, 8281, 10913, 11830, 15590, 16562, 20267, 21826, 40534, 41405, 54565, 76391, 82810, 101335, 109130, 141869, 152782, 202670, 263471, 283738, 381955, 526942, 709345, 763910, 993083, 1317355, 1418690, 1844297, 1986166, 2634710, 3688594, 4965415, 9221485, 9930830, 12910079, 18442970, 25820158, 64550395, 129100790]

約数ペア:
[(1, 129100790), (2, 64550395), (5, 25820158), (7, 18442970), (10, 12910079), (13, 9930830), (14, 9221485), (26, 4965415), (35, 3688594), (49, 2634710), (65, 1986166), (70, 1844297), (91, 1418690), (98, 1317355), (130, 993083), (169, 763910), (182, 709345), (245, 526942), (338, 381955), (455, 283738), (490, 263471), (637, 202670), (845, 152782), (910, 141869), (1183, 109130), (1274, 101335), (1559, 82810), (1690, 76391), (2366, 54565), (3118, 41405), (3185, 40534), (5915, 21826), (6370, 20267), (7795, 16562), (8281, 15590), (10913, 11830)]

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