About the Number

102904990

102904989 ← → 102904991

2進数表記:110001000100011010010011110

漢数字表記:一億二百九十万四千九百九十

素因数分解:

2 1 × 5 1 × 23 1 × 151 1 × 2963 1

素因数の和:3144
約数の個数: 32
約数和(自身を含む): 194628096
約数和(自身を除く): 91723106

約数列:
[1, 2, 5, 10, 23, 46, 115, 151, 230, 302, 755, 1510, 2963, 3473, 5926, 6946, 14815, 17365, 29630, 34730, 68149, 136298, 340745, 447413, 681490, 894826, 2237065, 4474130, 10290499, 20580998, 51452495, 102904990]

約数ペア:
[(1, 102904990), (2, 51452495), (5, 20580998), (10, 10290499), (23, 4474130), (46, 2237065), (115, 894826), (151, 681490), (230, 447413), (302, 340745), (755, 136298), (1510, 68149), (2963, 34730), (3473, 29630), (5926, 17365), (6946, 14815)]

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