About the Number

128423540

128423539 ← → 128423541

2進数表記:111101001111001011001110100

漢数字表記:一億二千八百四十二万三千五百四十

素因数分解:

2 2 × 5 1 × 7 1 × 107 1 × 8573 1

素因数の和:8696
約数の個数: 48
約数和(自身を含む): 311133312
約数和(自身を除く): 182709772

約数列:
[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 7490, 8573, 14980, 17146, 34292, 42865, 60011, 85730, 120022, 171460, 240044, 300055, 600110, 917311, 1200220, 1834622, 3669244, 4586555, 6421177, 9173110, 12842354, 18346220, 25684708, 32105885, 64211770, 128423540]

約数ペア:
[(1, 128423540), (2, 64211770), (4, 32105885), (5, 25684708), (7, 18346220), (10, 12842354), (14, 9173110), (20, 6421177), (28, 4586555), (35, 3669244), (70, 1834622), (107, 1200220), (140, 917311), (214, 600110), (428, 300055), (535, 240044), (749, 171460), (1070, 120022), (1498, 85730), (2140, 60011), (2996, 42865), (3745, 34292), (7490, 17146), (8573, 14980)]

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