About the Number

121490992

121490991 ← → 121490993

2進数表記:111001111011100111000110000

漢数字表記:一億二千百四十九万九百九十二

素因数分解:

2 4 × 7 2 × 241 1 × 643 1

素因数の和:906
約数の個数: 60
約数和(自身を含む): 275383416
約数和(自身を除く): 153892424

約数列:
[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 241, 392, 482, 643, 784, 964, 1286, 1687, 1928, 2572, 3374, 3856, 4501, 5144, 6748, 9002, 10288, 11809, 13496, 18004, 23618, 26992, 31507, 36008, 47236, 63014, 72016, 94472, 126028, 154963, 188944, 252056, 309926, 504112, 619852, 1084741, 1239704, 2169482, 2479408, 4338964, 7593187, 8677928, 15186374, 17355856, 30372748, 60745496, 121490992]

約数ペア:
[(1, 121490992), (2, 60745496), (4, 30372748), (7, 17355856), (8, 15186374), (14, 8677928), (16, 7593187), (28, 4338964), (49, 2479408), (56, 2169482), (98, 1239704), (112, 1084741), (196, 619852), (241, 504112), (392, 309926), (482, 252056), (643, 188944), (784, 154963), (964, 126028), (1286, 94472), (1687, 72016), (1928, 63014), (2572, 47236), (3374, 36008), (3856, 31507), (4501, 26992), (5144, 23618), (6748, 18004), (9002, 13496), (10288, 11809)]

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