About the Number

120790890

120790889 ← → 120790891

2進数表記:111001100110001111101101010

漢数字表記:一億二千七十九万八百九十

素因数分解:

2 1 × 3 2 × 5 1 × 11 1 × 122011 1

素因数の和:122035
約数の個数: 48
約数和(自身を含む): 342609696
約数和(自身を除く): 221818806

約数列:
[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 122011, 244022, 366033, 610055, 732066, 1098099, 1220110, 1342121, 1830165, 2196198, 2684242, 3660330, 4026363, 5490495, 6710605, 8052726, 10980990, 12079089, 13421210, 20131815, 24158178, 40263630, 60395445, 120790890]

約数ペア:
[(1, 120790890), (2, 60395445), (3, 40263630), (5, 24158178), (6, 20131815), (9, 13421210), (10, 12079089), (11, 10980990), (15, 8052726), (18, 6710605), (22, 5490495), (30, 4026363), (33, 3660330), (45, 2684242), (55, 2196198), (66, 1830165), (90, 1342121), (99, 1220110), (110, 1098099), (165, 732066), (198, 610055), (330, 366033), (495, 244022), (990, 122011)]

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