About the Number

129400890

129400889 ← → 129400891

2進数表記:111101101101000000000111010

漢数字表記:一億二千九百四十万八百九十

素因数分解:

2 1 × 3 1 × 5 1 × 179 1 × 24097 1

素因数の和:24286
約数の個数: 32
約数和(自身を含む): 312310080
約数和(自身を除く): 182909190

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 179, 358, 537, 895, 1074, 1790, 2685, 5370, 24097, 48194, 72291, 120485, 144582, 240970, 361455, 722910, 4313363, 8626726, 12940089, 21566815, 25880178, 43133630, 64700445, 129400890]

約数ペア:
[(1, 129400890), (2, 64700445), (3, 43133630), (5, 25880178), (6, 21566815), (10, 12940089), (15, 8626726), (30, 4313363), (179, 722910), (358, 361455), (537, 240970), (895, 144582), (1074, 120485), (1790, 72291), (2685, 48194), (5370, 24097)]

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