About the Number

121340420

121340419 ← → 121340421

2進数表記:111001110111000001000000100

漢数字表記:一億二千百三十四万四百二十

素因数分解:

2 2 × 5 1 × 71 1 × 85451 1

素因数の和:85531
約数の個数: 24
約数和(自身を含む): 258406848
約数和(自身を除く): 137066428

約数列:
[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 85451, 170902, 341804, 427255, 854510, 1709020, 6067021, 12134042, 24268084, 30335105, 60670210, 121340420]

約数ペア:
[(1, 121340420), (2, 60670210), (4, 30335105), (5, 24268084), (10, 12134042), (20, 6067021), (71, 1709020), (142, 854510), (284, 427255), (355, 341804), (710, 170902), (1420, 85451)]

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