About the Number

121984010

121984009 ← → 121984011

2進数表記:111010001010101010000001010

漢数字表記:一億二千百九十八万四千十

素因数分解:

2 1 × 5 1 × 17 2 × 42209 1

素因数の和:42250
約数の個数: 24
約数和(自身を含む): 233252460
約数和(自身を除く): 111268450

約数列:
[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 42209, 84418, 211045, 422090, 717553, 1435106, 3587765, 7175530, 12198401, 24396802, 60992005, 121984010]

約数ペア:
[(1, 121984010), (2, 60992005), (5, 24396802), (10, 12198401), (17, 7175530), (34, 3587765), (85, 1435106), (170, 717553), (289, 422090), (578, 211045), (1445, 84418), (2890, 42209)]

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