About the Number

121072210

121072209 ← → 121072211

2進数表記:111001101110110101001010010

漢数字表記:一億二千百七万二千二百十

素因数分解:

2 1 × 5 1 × 7 1 × 431 1 × 4013 1

素因数の和:4458
約数の個数: 32
約数和(自身を含む): 249702912
約数和(自身を除く): 128630702

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 431, 862, 2155, 3017, 4013, 4310, 6034, 8026, 15085, 20065, 28091, 30170, 40130, 56182, 140455, 280910, 1729603, 3459206, 8648015, 12107221, 17296030, 24214442, 60536105, 121072210]

約数ペア:
[(1, 121072210), (2, 60536105), (5, 24214442), (7, 17296030), (10, 12107221), (14, 8648015), (35, 3459206), (70, 1729603), (431, 280910), (862, 140455), (2155, 56182), (3017, 40130), (4013, 30170), (4310, 28091), (6034, 20065), (8026, 15085)]

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