About the Number

101215890

101215889 ← → 101215891

2進数表記:110000010000110111010010010

漢数字表記:一億百二十一万五千八百九十

素因数分解:

2 1 × 3 2 × 5 1 × 967 1 × 1163 1

素因数の和:2143
約数の個数: 48
約数和(自身を含む): 263659968
約数和(自身を除く): 162444078

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 967, 1163, 1934, 2326, 2901, 3489, 4835, 5802, 5815, 6978, 8703, 9670, 10467, 11630, 14505, 17406, 17445, 20934, 29010, 34890, 43515, 52335, 87030, 104670, 1124621, 2249242, 3373863, 5623105, 6747726, 10121589, 11246210, 16869315, 20243178, 33738630, 50607945, 101215890]

約数ペア:
[(1, 101215890), (2, 50607945), (3, 33738630), (5, 20243178), (6, 16869315), (9, 11246210), (10, 10121589), (15, 6747726), (18, 5623105), (30, 3373863), (45, 2249242), (90, 1124621), (967, 104670), (1163, 87030), (1934, 52335), (2326, 43515), (2901, 34890), (3489, 29010), (4835, 20934), (5802, 17445), (5815, 17406), (6978, 14505), (8703, 11630), (9670, 10467)]

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