About the Number

121250980

121250979 ← → 121250981

2進数表記:111001110100010010010100100

漢数字表記:一億二千百二十五万九百八十

素因数分解:

2 2 × 5 1 × 131 1 × 46279 1

素因数の和:46419
約数の個数: 24
約数和(自身を含む): 256576320
約数和(自身を除く): 135325340

約数列:
[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 46279, 92558, 185116, 231395, 462790, 925580, 6062549, 12125098, 24250196, 30312745, 60625490, 121250980]

約数ペア:
[(1, 121250980), (2, 60625490), (4, 30312745), (5, 24250196), (10, 12125098), (20, 6062549), (131, 925580), (262, 462790), (524, 231395), (655, 185116), (1310, 92558), (2620, 46279)]

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