About the Number

1401890

1401889 ← → 1401891

2進数表記:101010110010000100010

漢数字表記:百四十万千八百九十

素因数分解:

2 1 × 5 1 × 7 2 × 2861 1

素因数の和:2882
約数の個数: 24
約数和(自身を含む): 2936412
約数和(自身を除く): 1534522

約数列:
[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 2861, 5722, 14305, 20027, 28610, 40054, 100135, 140189, 200270, 280378, 700945, 1401890]

約数ペア:
[(1, 1401890), (2, 700945), (5, 280378), (7, 200270), (10, 140189), (14, 100135), (35, 40054), (49, 28610), (70, 20027), (98, 14305), (245, 5722), (490, 2861)]

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