About the Number

228721440

228721439 ← → 228721441

2進数表記:1101101000100000001100100000

漢数字表記:二億二千八百七十二万千四百四十

素因数分解:

2 5 × 3 1 × 5 1 × 83 1 × 5741 1

素因数の和:5842
約数の個数: 96
約数和(自身を含む): 729279936
約数和(自身を除く): 500558496

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 83, 96, 120, 160, 166, 240, 249, 332, 415, 480, 498, 664, 830, 996, 1245, 1328, 1660, 1992, 2490, 2656, 3320, 3984, 4980, 5741, 6640, 7968, 9960, 11482, 13280, 17223, 19920, 22964, 28705, 34446, 39840, 45928, 57410, 68892, 86115, 91856, 114820, 137784, 172230, 183712, 229640, 275568, 344460, 459280, 476503, 551136, 688920, 918560, 953006, 1377840, 1429509, 1906012, 2382515, 2755680, 2859018, 3812024, 4765030, 5718036, 7147545, 7624048, 9530060, 11436072, 14295090, 15248096, 19060120, 22872144, 28590180, 38120240, 45744288, 57180360, 76240480, 114360720, 228721440]

約数ペア:
[(1, 228721440), (2, 114360720), (3, 76240480), (4, 57180360), (5, 45744288), (6, 38120240), (8, 28590180), (10, 22872144), (12, 19060120), (15, 15248096), (16, 14295090), (20, 11436072), (24, 9530060), (30, 7624048), (32, 7147545), (40, 5718036), (48, 4765030), (60, 3812024), (80, 2859018), (83, 2755680), (96, 2382515), (120, 1906012), (160, 1429509), (166, 1377840), (240, 953006), (249, 918560), (332, 688920), (415, 551136), (480, 476503), (498, 459280), (664, 344460), (830, 275568), (996, 229640), (1245, 183712), (1328, 172230), (1660, 137784), (1992, 114820), (2490, 91856), (2656, 86115), (3320, 68892), (3984, 57410), (4980, 45928), (5741, 39840), (6640, 34446), (7968, 28705), (9960, 22964), (11482, 19920), (13280, 17223)]

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