About the Number

129620990

129620989 ← → 129620991

2進数表記:111101110011101101111111110

漢数字表記:一億二千九百六十二万九百九十

素因数分解:

2 1 × 5 1 × 37 1 × 73 1 × 4799 1

素因数の和:4916
約数の個数: 32
約数和(自身を含む): 242956800
約数和(自身を除く): 113335810

約数列:
[1, 2, 5, 10, 37, 73, 74, 146, 185, 365, 370, 730, 2701, 4799, 5402, 9598, 13505, 23995, 27010, 47990, 177563, 350327, 355126, 700654, 887815, 1751635, 1775630, 3503270, 12962099, 25924198, 64810495, 129620990]

約数ペア:
[(1, 129620990), (2, 64810495), (5, 25924198), (10, 12962099), (37, 3503270), (73, 1775630), (74, 1751635), (146, 887815), (185, 700654), (365, 355126), (370, 350327), (730, 177563), (2701, 47990), (4799, 27010), (5402, 23995), (9598, 13505)]

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