About the Number

121810140

121810139 ← → 121810141

2進数表記:111010000101010110011011100

漢数字表記:一億二千百八十一万百四十

素因数分解:

2 2 × 3 2 × 5 1 × 19 1 × 35617 1

素因数の和:35651
約数の個数: 72
約数和(自身を含む): 388948560
約数和(自身を除く): 267138420

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 35617, 71234, 106851, 142468, 178085, 213702, 320553, 356170, 427404, 534255, 641106, 676723, 712340, 1068510, 1282212, 1353446, 1602765, 2030169, 2137020, 2706892, 3205530, 3383615, 4060338, 6090507, 6411060, 6767230, 8120676, 10150845, 12181014, 13534460, 20301690, 24362028, 30452535, 40603380, 60905070, 121810140]

約数ペア:
[(1, 121810140), (2, 60905070), (3, 40603380), (4, 30452535), (5, 24362028), (6, 20301690), (9, 13534460), (10, 12181014), (12, 10150845), (15, 8120676), (18, 6767230), (19, 6411060), (20, 6090507), (30, 4060338), (36, 3383615), (38, 3205530), (45, 2706892), (57, 2137020), (60, 2030169), (76, 1602765), (90, 1353446), (95, 1282212), (114, 1068510), (171, 712340), (180, 676723), (190, 641106), (228, 534255), (285, 427404), (342, 356170), (380, 320553), (570, 213702), (684, 178085), (855, 142468), (1140, 106851), (1710, 71234), (3420, 35617)]

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