About the Number

213440208

213440207 ← → 213440209

2進数表記:1100101110001101011011010000

漢数字表記:二億千三百四十四万二百八

素因数分解:

2 4 × 3 1 × 31 1 × 191 1 × 751 1

素因数の和:984
約数の個数: 80
約数和(自身を含む): 572915712
約数和(自身を除く): 359475504

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 191, 248, 372, 382, 496, 573, 744, 751, 764, 1146, 1488, 1502, 1528, 2253, 2292, 3004, 3056, 4506, 4584, 5921, 6008, 9012, 9168, 11842, 12016, 17763, 18024, 23281, 23684, 35526, 36048, 46562, 47368, 69843, 71052, 93124, 94736, 139686, 142104, 143441, 186248, 279372, 284208, 286882, 372496, 430323, 558744, 573764, 860646, 1117488, 1147528, 1721292, 2295056, 3442584, 4446671, 6885168, 8893342, 13340013, 17786684, 26680026, 35573368, 53360052, 71146736, 106720104, 213440208]

約数ペア:
[(1, 213440208), (2, 106720104), (3, 71146736), (4, 53360052), (6, 35573368), (8, 26680026), (12, 17786684), (16, 13340013), (24, 8893342), (31, 6885168), (48, 4446671), (62, 3442584), (93, 2295056), (124, 1721292), (186, 1147528), (191, 1117488), (248, 860646), (372, 573764), (382, 558744), (496, 430323), (573, 372496), (744, 286882), (751, 284208), (764, 279372), (1146, 186248), (1488, 143441), (1502, 142104), (1528, 139686), (2253, 94736), (2292, 93124), (3004, 71052), (3056, 69843), (4506, 47368), (4584, 46562), (5921, 36048), (6008, 35526), (9012, 23684), (9168, 23281), (11842, 18024), (12016, 17763)]

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