About the Number

120438420

120438419 ← → 120438421

2進数表記:111001011011011111010010100

漢数字表記:一億二千四十三万八千四百二十

素因数分解:

2 2 × 3 1 × 5 1 × 2007307 1

素因数の和:2007319
約数の個数: 24
約数和(自身を含む): 337227744
約数和(自身を除く): 216789324

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2007307, 4014614, 6021921, 8029228, 10036535, 12043842, 20073070, 24087684, 30109605, 40146140, 60219210, 120438420]

約数ペア:
[(1, 120438420), (2, 60219210), (3, 40146140), (4, 30109605), (5, 24087684), (6, 20073070), (10, 12043842), (12, 10036535), (15, 8029228), (20, 6021921), (30, 4014614), (60, 2007307)]

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