About the Number

129709728

129709727 ← → 129709729

2進数表記:111101110110011011010100000

漢数字表記:一億二千九百七十万九千七百二十八

素因数分解:

2 5 × 3 3 × 17 1 × 8831 1

素因数の和:8867
約数の個数: 96
約数和(自身を含む): 400619520
約数和(自身を除く): 270909792

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 68, 72, 96, 102, 108, 136, 144, 153, 204, 216, 272, 288, 306, 408, 432, 459, 544, 612, 816, 864, 918, 1224, 1632, 1836, 2448, 3672, 4896, 7344, 8831, 14688, 17662, 26493, 35324, 52986, 70648, 79479, 105972, 141296, 150127, 158958, 211944, 238437, 282592, 300254, 317916, 423888, 450381, 476874, 600508, 635832, 847776, 900762, 953748, 1201016, 1271664, 1351143, 1801524, 1907496, 2402032, 2543328, 2702286, 3603048, 3814992, 4053429, 4804064, 5404572, 7206096, 7629984, 8106858, 10809144, 14412192, 16213716, 21618288, 32427432, 43236576, 64854864, 129709728]

約数ペア:
[(1, 129709728), (2, 64854864), (3, 43236576), (4, 32427432), (6, 21618288), (8, 16213716), (9, 14412192), (12, 10809144), (16, 8106858), (17, 7629984), (18, 7206096), (24, 5404572), (27, 4804064), (32, 4053429), (34, 3814992), (36, 3603048), (48, 2702286), (51, 2543328), (54, 2402032), (68, 1907496), (72, 1801524), (96, 1351143), (102, 1271664), (108, 1201016), (136, 953748), (144, 900762), (153, 847776), (204, 635832), (216, 600508), (272, 476874), (288, 450381), (306, 423888), (408, 317916), (432, 300254), (459, 282592), (544, 238437), (612, 211944), (816, 158958), (864, 150127), (918, 141296), (1224, 105972), (1632, 79479), (1836, 70648), (2448, 52986), (3672, 35324), (4896, 26493), (7344, 17662), (8831, 14688)]

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