About the Number

129118090

129118089 ← → 129118091

2進数表記:111101100100010111110001010

漢数字表記:一億二千九百十一万八千九十

素因数分解:

2 1 × 5 1 × 23 1 × 61 1 × 9203 1

素因数の和:9294
約数の個数: 32
約数和(自身を含む): 246519936
約数和(自身を除く): 117401846

約数列:
[1, 2, 5, 10, 23, 46, 61, 115, 122, 230, 305, 610, 1403, 2806, 7015, 9203, 14030, 18406, 46015, 92030, 211669, 423338, 561383, 1058345, 1122766, 2116690, 2806915, 5613830, 12911809, 25823618, 64559045, 129118090]

約数ペア:
[(1, 129118090), (2, 64559045), (5, 25823618), (10, 12911809), (23, 5613830), (46, 2806915), (61, 2116690), (115, 1122766), (122, 1058345), (230, 561383), (305, 423338), (610, 211669), (1403, 92030), (2806, 46015), (7015, 18406), (9203, 14030)]

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