About the Number

100457890

100457889 ← → 100457891

2進数表記:101111111001101110110100010

漢数字表記:一億四十五万七千八百九十

素因数分解:

2 1 × 5 1 × 13 1 × 43 1 × 17971 1

素因数の和:18034
約数の個数: 32
約数和(自身を含む): 199273536
約数和(自身を除く): 98815646

約数列:
[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 17971, 35942, 89855, 179710, 233623, 467246, 772753, 1168115, 1545506, 2336230, 3863765, 7727530, 10045789, 20091578, 50228945, 100457890]

約数ペア:
[(1, 100457890), (2, 50228945), (5, 20091578), (10, 10045789), (13, 7727530), (26, 3863765), (43, 2336230), (65, 1545506), (86, 1168115), (130, 772753), (215, 467246), (430, 233623), (559, 179710), (1118, 89855), (2795, 35942), (5590, 17971)]

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