About the Number

202021890

202021889 ← → 202021891

2進数表記:1100000010101001110000000010

漢数字表記:二億二百二万千八百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 962009 1

素因数の和:962026
約数の個数: 32
約数和(自身を含む): 554117760
約数和(自身を除く): 352095870

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 962009, 1924018, 2886027, 4810045, 5772054, 6734063, 9620090, 13468126, 14430135, 20202189, 28860270, 33670315, 40404378, 67340630, 101010945, 202021890]

約数ペア:
[(1, 202021890), (2, 101010945), (3, 67340630), (5, 40404378), (6, 33670315), (7, 28860270), (10, 20202189), (14, 14430135), (15, 13468126), (21, 9620090), (30, 6734063), (35, 5772054), (42, 4810045), (70, 2886027), (105, 1924018), (210, 962009)]

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