About the Number

2745280

2745279 ← → 2745281

2進数表記:1010011110001111000000

漢数字表記:二百七十四万五千二百八十

素因数分解:

2 6 × 5 1 × 23 1 × 373 1

素因数の和:413
約数の個数: 56
約数和(自身を含む): 6839712
約数和(自身を除く): 4094432

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 373, 460, 736, 746, 920, 1472, 1492, 1840, 1865, 2984, 3680, 3730, 5968, 7360, 7460, 8579, 11936, 14920, 17158, 23872, 29840, 34316, 42895, 59680, 68632, 85790, 119360, 137264, 171580, 274528, 343160, 549056, 686320, 1372640, 2745280]

約数ペア:
[(1, 2745280), (2, 1372640), (4, 686320), (5, 549056), (8, 343160), (10, 274528), (16, 171580), (20, 137264), (23, 119360), (32, 85790), (40, 68632), (46, 59680), (64, 42895), (80, 34316), (92, 29840), (115, 23872), (160, 17158), (184, 14920), (230, 11936), (320, 8579), (368, 7460), (373, 7360), (460, 5968), (736, 3730), (746, 3680), (920, 2984), (1472, 1865), (1492, 1840)]

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