About the Number

129972804

129972803 ← → 129972805

2進数表記:111101111110011101001000100

漢数字表記:一億二千九百九十七万二千八百四

素因数分解:

2 2 × 3 1 × 13 1 × 421 1 × 1979 1

素因数の和:2420
約数の個数: 48
約数和(自身を含む): 327539520
約数和(自身を除く): 197566716

約数列:
[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 421, 842, 1263, 1684, 1979, 2526, 3958, 5052, 5473, 5937, 7916, 10946, 11874, 16419, 21892, 23748, 25727, 32838, 51454, 65676, 77181, 102908, 154362, 308724, 833159, 1666318, 2499477, 3332636, 4998954, 9997908, 10831067, 21662134, 32493201, 43324268, 64986402, 129972804]

約数ペア:
[(1, 129972804), (2, 64986402), (3, 43324268), (4, 32493201), (6, 21662134), (12, 10831067), (13, 9997908), (26, 4998954), (39, 3332636), (52, 2499477), (78, 1666318), (156, 833159), (421, 308724), (842, 154362), (1263, 102908), (1684, 77181), (1979, 65676), (2526, 51454), (3958, 32838), (5052, 25727), (5473, 23748), (5937, 21892), (7916, 16419), (10946, 11874)]

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