About the Number

1201390

1201389 ← → 1201391

2進数表記:100100101010011101110

漢数字表記:百二十万千三百九十

素因数分解:

2 1 × 5 1 × 17 1 × 37 1 × 191 1

素因数の和:252
約数の個数: 32
約数和(自身を含む): 2363904
約数和(自身を除く): 1162514

約数列:
[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 191, 370, 382, 629, 955, 1258, 1910, 3145, 3247, 6290, 6494, 7067, 14134, 16235, 32470, 35335, 70670, 120139, 240278, 600695, 1201390]

約数ペア:
[(1, 1201390), (2, 600695), (5, 240278), (10, 120139), (17, 70670), (34, 35335), (37, 32470), (74, 16235), (85, 14134), (170, 7067), (185, 6494), (191, 6290), (370, 3247), (382, 3145), (629, 1910), (955, 1258)]

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