About the Number

117015780

117015779 ← → 117015781

2進数表記:110111110011000010011100100

漢数字表記:一億千七百一万五千七百八十

素因数分解:

2 2 × 3 1 × 5 1 × 7 1 × 278609 1

素因数の和:278628
約数の個数: 48
約数和(自身を含む): 374451840
約数和(自身を除く): 257436060

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 278609, 557218, 835827, 1114436, 1393045, 1671654, 1950263, 2786090, 3343308, 3900526, 4179135, 5572180, 5850789, 7801052, 8358270, 9751315, 11701578, 16716540, 19502630, 23403156, 29253945, 39005260, 58507890, 117015780]

約数ペア:
[(1, 117015780), (2, 58507890), (3, 39005260), (4, 29253945), (5, 23403156), (6, 19502630), (7, 16716540), (10, 11701578), (12, 9751315), (14, 8358270), (15, 7801052), (20, 5850789), (21, 5572180), (28, 4179135), (30, 3900526), (35, 3343308), (42, 2786090), (60, 1950263), (70, 1671654), (84, 1393045), (105, 1114436), (140, 835827), (210, 557218), (420, 278609)]

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