About the Number

120989892

120989891 ← → 120989893

2進数表記:111001101100010100011000100

漢数字表記:一億二千九十八万九千八百九十二

素因数分解:

2 2 × 3 1 × 389 1 × 25919 1

素因数の和:26315
約数の個数: 24
約数和(自身を含む): 283046400
約数和(自身を除く): 162056508

約数列:
[1, 2, 3, 4, 6, 12, 389, 778, 1167, 1556, 2334, 4668, 25919, 51838, 77757, 103676, 155514, 311028, 10082491, 20164982, 30247473, 40329964, 60494946, 120989892]

約数ペア:
[(1, 120989892), (2, 60494946), (3, 40329964), (4, 30247473), (6, 20164982), (12, 10082491), (389, 311028), (778, 155514), (1167, 103676), (1556, 77757), (2334, 51838), (4668, 25919)]

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