About the Number

220431390

220431389 ← → 220431391

2進数表記:1101001000111000010000011110

漢数字表記:二億二千四十三万千三百九十

素因数分解:

2 1 × 3 1 × 5 1 × 31 1 × 421 1 × 563 1

素因数の和:1025
約数の個数: 64
約数和(自身を含む): 548370432
約数和(自身を除く): 327939042

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 421, 465, 563, 842, 930, 1126, 1263, 1689, 2105, 2526, 2815, 3378, 4210, 5630, 6315, 8445, 12630, 13051, 16890, 17453, 26102, 34906, 39153, 52359, 65255, 78306, 87265, 104718, 130510, 174530, 195765, 237023, 261795, 391530, 474046, 523590, 711069, 1185115, 1422138, 2370230, 3555345, 7110690, 7347713, 14695426, 22043139, 36738565, 44086278, 73477130, 110215695, 220431390]

約数ペア:
[(1, 220431390), (2, 110215695), (3, 73477130), (5, 44086278), (6, 36738565), (10, 22043139), (15, 14695426), (30, 7347713), (31, 7110690), (62, 3555345), (93, 2370230), (155, 1422138), (186, 1185115), (310, 711069), (421, 523590), (465, 474046), (563, 391530), (842, 261795), (930, 237023), (1126, 195765), (1263, 174530), (1689, 130510), (2105, 104718), (2526, 87265), (2815, 78306), (3378, 65255), (4210, 52359), (5630, 39153), (6315, 34906), (8445, 26102), (12630, 17453), (13051, 16890)]

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