About the Number

201220690

201220689 ← → 201220691

2進数表記:1011111111100110001001010010

漢数字表記:二億百二十二万六百九十

素因数分解:

2 1 × 5 1 × 11 1 × 31 1 × 59009 1

素因数の和:59058
約数の個数: 32
約数和(自身を含む): 407877120
約数和(自身を除く): 206656430

約数列:
[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 59009, 118018, 295045, 590090, 649099, 1298198, 1829279, 3245495, 3658558, 6490990, 9146395, 18292790, 20122069, 40244138, 100610345, 201220690]

約数ペア:
[(1, 201220690), (2, 100610345), (5, 40244138), (10, 20122069), (11, 18292790), (22, 9146395), (31, 6490990), (55, 3658558), (62, 3245495), (110, 1829279), (155, 1298198), (310, 649099), (341, 590090), (682, 295045), (1705, 118018), (3410, 59009)]

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