About the Number
208998470
2進数表記:1100011101010001000001000110
漢数字表記:二億八百九十九万八千四百七十
素因数分解:
素因数の和:1996
約数の個数: 32
約数和(自身を含む): 393403392
約数和(自身を除く): 184404922
約数列:
[1, 2, 5, 10, 23, 46, 115, 230, 743, 1223, 1486, 2446, 3715, 6115, 7430, 12230, 17089, 28129, 34178, 56258, 85445, 140645, 170890, 281290, 908689, 1817378, 4543445, 9086890, 20899847, 41799694, 104499235, 208998470]
約数ペア:
[(1, 208998470), (2, 104499235), (5, 41799694), (10, 20899847), (23, 9086890), (46, 4543445), (115, 1817378), (230, 908689), (743, 281290), (1223, 170890), (1486, 140645), (2446, 85445), (3715, 56258), (6115, 34178), (7430, 28129), (12230, 17089)]このpageの処理時間: 0.006431102752685547 seconds