About the Number

120813888

120813887 ← → 120813889

2進数表記:111001100110111100101000000

漢数字表記:一億二千八十一万三千八百八十八

素因数分解:

2 6 × 3 1 × 13 1 × 97 1 × 499 1

素因数の和:624
約数の個数: 112
約数和(自身を含む): 348488000
約数和(自身を除く): 227674112

約数列:
[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 97, 104, 156, 192, 194, 208, 291, 312, 388, 416, 499, 582, 624, 776, 832, 998, 1164, 1248, 1261, 1497, 1552, 1996, 2328, 2496, 2522, 2994, 3104, 3783, 3992, 4656, 5044, 5988, 6208, 6487, 7566, 7984, 9312, 10088, 11976, 12974, 15132, 15968, 18624, 19461, 20176, 23952, 25948, 30264, 31936, 38922, 40352, 47904, 48403, 51896, 60528, 77844, 80704, 95808, 96806, 103792, 121056, 145209, 155688, 193612, 207584, 242112, 290418, 311376, 387224, 415168, 580836, 622752, 629239, 774448, 1161672, 1245504, 1258478, 1548896, 1887717, 2323344, 2516956, 3097792, 3775434, 4646688, 5033912, 7550868, 9293376, 10067824, 15101736, 20135648, 30203472, 40271296, 60406944, 120813888]

約数ペア:
[(1, 120813888), (2, 60406944), (3, 40271296), (4, 30203472), (6, 20135648), (8, 15101736), (12, 10067824), (13, 9293376), (16, 7550868), (24, 5033912), (26, 4646688), (32, 3775434), (39, 3097792), (48, 2516956), (52, 2323344), (64, 1887717), (78, 1548896), (96, 1258478), (97, 1245504), (104, 1161672), (156, 774448), (192, 629239), (194, 622752), (208, 580836), (291, 415168), (312, 387224), (388, 311376), (416, 290418), (499, 242112), (582, 207584), (624, 193612), (776, 155688), (832, 145209), (998, 121056), (1164, 103792), (1248, 96806), (1261, 95808), (1497, 80704), (1552, 77844), (1996, 60528), (2328, 51896), (2496, 48403), (2522, 47904), (2994, 40352), (3104, 38922), (3783, 31936), (3992, 30264), (4656, 25948), (5044, 23952), (5988, 20176), (6208, 19461), (6487, 18624), (7566, 15968), (7984, 15132), (9312, 12974), (10088, 11976)]

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