About the Number

102989988

102989987 ← → 102989989

2進数表記:110001000111000000010100100

漢数字表記:一億二百九十八万九千九百八十八

素因数分解:

2 2 × 3 3 × 43 1 × 67 1 × 331 1

素因数の和:454
約数の個数: 96
約数和(自身を含む): 278136320
約数和(自身を除く): 175146332

約数列:
[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 67, 86, 108, 129, 134, 172, 201, 258, 268, 331, 387, 402, 516, 603, 662, 774, 804, 993, 1161, 1206, 1324, 1548, 1809, 1986, 2322, 2412, 2881, 2979, 3618, 3972, 4644, 5762, 5958, 7236, 8643, 8937, 11524, 11916, 14233, 17286, 17874, 22177, 25929, 28466, 34572, 35748, 42699, 44354, 51858, 56932, 66531, 77787, 85398, 88708, 103716, 128097, 133062, 155574, 170796, 199593, 256194, 266124, 311148, 384291, 399186, 512388, 598779, 768582, 798372, 953611, 1197558, 1537164, 1907222, 2395116, 2860833, 3814444, 5721666, 8582499, 11443332, 17164998, 25747497, 34329996, 51494994, 102989988]

約数ペア:
[(1, 102989988), (2, 51494994), (3, 34329996), (4, 25747497), (6, 17164998), (9, 11443332), (12, 8582499), (18, 5721666), (27, 3814444), (36, 2860833), (43, 2395116), (54, 1907222), (67, 1537164), (86, 1197558), (108, 953611), (129, 798372), (134, 768582), (172, 598779), (201, 512388), (258, 399186), (268, 384291), (331, 311148), (387, 266124), (402, 256194), (516, 199593), (603, 170796), (662, 155574), (774, 133062), (804, 128097), (993, 103716), (1161, 88708), (1206, 85398), (1324, 77787), (1548, 66531), (1809, 56932), (1986, 51858), (2322, 44354), (2412, 42699), (2881, 35748), (2979, 34572), (3618, 28466), (3972, 25929), (4644, 22177), (5762, 17874), (5958, 17286), (7236, 14233), (8643, 11916), (8937, 11524)]

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