About the Number

1989008

1989007 ← → 1989009

2進数表記:111100101100110010000

漢数字表記:百九十八万九千八

素因数分解:

2 4 × 7 2 × 43 1 × 59 1

素因数の和:124
約数の個数: 60
約数和(自身を含む): 4664880
約数和(自身を除く): 2675872

約数列:
[1, 2, 4, 7, 8, 14, 16, 28, 43, 49, 56, 59, 86, 98, 112, 118, 172, 196, 236, 301, 344, 392, 413, 472, 602, 688, 784, 826, 944, 1204, 1652, 2107, 2408, 2537, 2891, 3304, 4214, 4816, 5074, 5782, 6608, 8428, 10148, 11564, 16856, 17759, 20296, 23128, 33712, 35518, 40592, 46256, 71036, 124313, 142072, 248626, 284144, 497252, 994504, 1989008]

約数ペア:
[(1, 1989008), (2, 994504), (4, 497252), (7, 284144), (8, 248626), (14, 142072), (16, 124313), (28, 71036), (43, 46256), (49, 40592), (56, 35518), (59, 33712), (86, 23128), (98, 20296), (112, 17759), (118, 16856), (172, 11564), (196, 10148), (236, 8428), (301, 6608), (344, 5782), (392, 5074), (413, 4816), (472, 4214), (602, 3304), (688, 2891), (784, 2537), (826, 2408), (944, 2107), (1204, 1652)]

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