About the Number

201272490

201272489 ← → 201272491

2進数表記:1011111111110010110010101010

漢数字表記:二億百二十七万二千四百九十

素因数分解:

2 1 × 3 2 × 5 1 × 389 1 × 5749 1

素因数の和:6151
約数の個数: 48
約数和(自身を含む): 524745000
約数和(自身を除く): 323472510

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 389, 778, 1167, 1945, 2334, 3501, 3890, 5749, 5835, 7002, 11498, 11670, 17247, 17505, 28745, 34494, 35010, 51741, 57490, 86235, 103482, 172470, 258705, 517410, 2236361, 4472722, 6709083, 11181805, 13418166, 20127249, 22363610, 33545415, 40254498, 67090830, 100636245, 201272490]

約数ペア:
[(1, 201272490), (2, 100636245), (3, 67090830), (5, 40254498), (6, 33545415), (9, 22363610), (10, 20127249), (15, 13418166), (18, 11181805), (30, 6709083), (45, 4472722), (90, 2236361), (389, 517410), (778, 258705), (1167, 172470), (1945, 103482), (2334, 86235), (3501, 57490), (3890, 51741), (5749, 35010), (5835, 34494), (7002, 28745), (11498, 17505), (11670, 17247)]

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