About the Number

142720130

142720129 ← → 142720131

2進数表記:1000100000011011110010000010

漢数字表記:一億四千二百七十二万百三十

素因数分解:

2 1 × 5 1 × 7 1 × 113 1 × 18043 1

素因数の和:18170
約数の個数: 32
約数和(自身を含む): 296210304
約数和(自身を除く): 153490174

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 113, 226, 565, 791, 1130, 1582, 3955, 7910, 18043, 36086, 90215, 126301, 180430, 252602, 631505, 1263010, 2038859, 4077718, 10194295, 14272013, 20388590, 28544026, 71360065, 142720130]

約数ペア:
[(1, 142720130), (2, 71360065), (5, 28544026), (7, 20388590), (10, 14272013), (14, 10194295), (35, 4077718), (70, 2038859), (113, 1263010), (226, 631505), (565, 252602), (791, 180430), (1130, 126301), (1582, 90215), (3955, 36086), (7910, 18043)]

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