About the Number

421710020

421710019 ← → 421710021

2進数表記:11001001000101100100011000100

漢数字表記:四億二千百七十一万二十

素因数分解:

2 2 × 5 1 × 197 1 × 107033 1

素因数の和:107239
約数の個数: 24
約数和(自身を含む): 890094744
約数和(自身を除く): 468384724

約数列:
[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 107033, 214066, 428132, 535165, 1070330, 2140660, 21085501, 42171002, 84342004, 105427505, 210855010, 421710020]

約数ペア:
[(1, 421710020), (2, 210855010), (4, 105427505), (5, 84342004), (10, 42171002), (20, 21085501), (197, 2140660), (394, 1070330), (788, 535165), (985, 428132), (1970, 214066), (3940, 107033)]

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