About the Number

10011890

10011889 ← → 10011891

2進数表記:100110001100010011110010

漢数字表記:千一万千八百九十

素因数分解:

2 1 × 5 1 × 7 1 × 157 1 × 911 1

素因数の和:1082
約数の個数: 32
約数和(自身を含む): 20749824
約数和(自身を除く): 10737934

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 911, 1099, 1570, 1822, 2198, 4555, 5495, 6377, 9110, 10990, 12754, 31885, 63770, 143027, 286054, 715135, 1001189, 1430270, 2002378, 5005945, 10011890]

約数ペア:
[(1, 10011890), (2, 5005945), (5, 2002378), (7, 1430270), (10, 1001189), (14, 715135), (35, 286054), (70, 143027), (157, 63770), (314, 31885), (785, 12754), (911, 10990), (1099, 9110), (1570, 6377), (1822, 5495), (2198, 4555)]

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