About the Number

121030988

121030987 ← → 121030989

2進数表記:111001101101100100101001100

漢数字表記:一億二千百三万九百八十八

素因数分解:

2 2 × 13 1 × 19 1 × 122501 1

素因数の和:122537
約数の個数: 24
約数和(自身を含む): 240103920
約数和(自身を除く): 119072932

約数列:
[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 122501, 245002, 490004, 1592513, 2327519, 3185026, 4655038, 6370052, 9310076, 30257747, 60515494, 121030988]

約数ペア:
[(1, 121030988), (2, 60515494), (4, 30257747), (13, 9310076), (19, 6370052), (26, 4655038), (38, 3185026), (52, 2327519), (76, 1592513), (247, 490004), (494, 245002), (988, 122501)]

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