About the Number

206871690

206871689 ← → 206871691

2進数表記:1100010101001001110010001010

漢数字表記:二億六百八十七万千六百九十

素因数分解:

2 1 × 3 1 × 5 1 × 83 1 × 251 1 × 331 1

素因数の和:675
約数の個数: 64
約数和(自身を含む): 505999872
約数和(自身を除く): 299128182

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 251, 331, 415, 498, 502, 662, 753, 830, 993, 1245, 1255, 1506, 1655, 1986, 2490, 2510, 3310, 3765, 4965, 7530, 9930, 20833, 27473, 41666, 54946, 62499, 82419, 83081, 104165, 124998, 137365, 164838, 166162, 208330, 249243, 274730, 312495, 412095, 415405, 498486, 624990, 824190, 830810, 1246215, 2492430, 6895723, 13791446, 20687169, 34478615, 41374338, 68957230, 103435845, 206871690]

約数ペア:
[(1, 206871690), (2, 103435845), (3, 68957230), (5, 41374338), (6, 34478615), (10, 20687169), (15, 13791446), (30, 6895723), (83, 2492430), (166, 1246215), (249, 830810), (251, 824190), (331, 624990), (415, 498486), (498, 415405), (502, 412095), (662, 312495), (753, 274730), (830, 249243), (993, 208330), (1245, 166162), (1255, 164838), (1506, 137365), (1655, 124998), (1986, 104165), (2490, 83081), (2510, 82419), (3310, 62499), (3765, 54946), (4965, 41666), (7530, 27473), (9930, 20833)]

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