About the Number

123309888

123309887 ← → 123309889

2進数表記:111010110011000111101000000

漢数字表記:一億二千三百三十万九千八百八十八

素因数分解:

2 6 × 3 1 × 13 1 × 127 1 × 389 1

素因数の和:544
約数の個数: 112
約数和(自身を含む): 355031040
約数和(自身を除く): 231721152

約数列:
[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 127, 156, 192, 208, 254, 312, 381, 389, 416, 508, 624, 762, 778, 832, 1016, 1167, 1248, 1524, 1556, 1651, 2032, 2334, 2496, 3048, 3112, 3302, 4064, 4668, 4953, 5057, 6096, 6224, 6604, 8128, 9336, 9906, 10114, 12192, 12448, 13208, 15171, 18672, 19812, 20228, 24384, 24896, 26416, 30342, 37344, 39624, 40456, 49403, 52832, 60684, 74688, 79248, 80912, 98806, 105664, 121368, 148209, 158496, 161824, 197612, 242736, 296418, 316992, 323648, 395224, 485472, 592836, 642239, 790448, 970944, 1185672, 1284478, 1580896, 1926717, 2371344, 2568956, 3161792, 3853434, 4742688, 5137912, 7706868, 9485376, 10275824, 15413736, 20551648, 30827472, 41103296, 61654944, 123309888]

約数ペア:
[(1, 123309888), (2, 61654944), (3, 41103296), (4, 30827472), (6, 20551648), (8, 15413736), (12, 10275824), (13, 9485376), (16, 7706868), (24, 5137912), (26, 4742688), (32, 3853434), (39, 3161792), (48, 2568956), (52, 2371344), (64, 1926717), (78, 1580896), (96, 1284478), (104, 1185672), (127, 970944), (156, 790448), (192, 642239), (208, 592836), (254, 485472), (312, 395224), (381, 323648), (389, 316992), (416, 296418), (508, 242736), (624, 197612), (762, 161824), (778, 158496), (832, 148209), (1016, 121368), (1167, 105664), (1248, 98806), (1524, 80912), (1556, 79248), (1651, 74688), (2032, 60684), (2334, 52832), (2496, 49403), (3048, 40456), (3112, 39624), (3302, 37344), (4064, 30342), (4668, 26416), (4953, 24896), (5057, 24384), (6096, 20228), (6224, 19812), (6604, 18672), (8128, 15171), (9336, 13208), (9906, 12448), (10114, 12192)]

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