About the Number

129902150

129902149 ← → 129902151

2進数表記:111101111100010011001000110

漢数字表記:一億二千九百九十万二千百五十

素因数分解:

2 1 × 5 2 × 7 1 × 211 1 × 1759 1

素因数の和:1989
約数の個数: 48
約数和(自身を含む): 277601280
約数和(自身を除く): 147699130

約数列:
[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 211, 350, 422, 1055, 1477, 1759, 2110, 2954, 3518, 5275, 7385, 8795, 10550, 12313, 14770, 17590, 24626, 36925, 43975, 61565, 73850, 87950, 123130, 307825, 371149, 615650, 742298, 1855745, 2598043, 3711490, 5196086, 9278725, 12990215, 18557450, 25980430, 64951075, 129902150]

約数ペア:
[(1, 129902150), (2, 64951075), (5, 25980430), (7, 18557450), (10, 12990215), (14, 9278725), (25, 5196086), (35, 3711490), (50, 2598043), (70, 1855745), (175, 742298), (211, 615650), (350, 371149), (422, 307825), (1055, 123130), (1477, 87950), (1759, 73850), (2110, 61565), (2954, 43975), (3518, 36925), (5275, 24626), (7385, 17590), (8795, 14770), (10550, 12313)]

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