About the Number

129121850

129121849 ← → 129121851

2進数表記:111101100100011111000111010

漢数字表記:一億二千九百十二万千八百五十

素因数分解:

2 1 × 5 2 × 11 1 × 13 1 × 18059 1

素因数の和:18095
約数の個数: 48
約数和(自身を含む): 282169440
約数和(自身を除く): 153047590

約数列:
[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 3575, 7150, 18059, 36118, 90295, 180590, 198649, 234767, 397298, 451475, 469534, 902950, 993245, 1173835, 1986490, 2347670, 2582437, 4966225, 5164874, 5869175, 9932450, 11738350, 12912185, 25824370, 64560925, 129121850]

約数ペア:
[(1, 129121850), (2, 64560925), (5, 25824370), (10, 12912185), (11, 11738350), (13, 9932450), (22, 5869175), (25, 5164874), (26, 4966225), (50, 2582437), (55, 2347670), (65, 1986490), (110, 1173835), (130, 993245), (143, 902950), (275, 469534), (286, 451475), (325, 397298), (550, 234767), (650, 198649), (715, 180590), (1430, 90295), (3575, 36118), (7150, 18059)]

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