About the Number

268156890

268156889 ← → 268156891

2進数表記:1111111110111011111111011010

漢数字表記:二億六千八百十五万六千八百九十

素因数分解:

2 1 × 3 2 × 5 1 × 1091 1 × 2731 1

素因数の和:3835
約数の個数: 48
約数和(自身を含む): 698102496
約数和(自身を除く): 429945606

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1091, 2182, 2731, 3273, 5455, 5462, 6546, 8193, 9819, 10910, 13655, 16365, 16386, 19638, 24579, 27310, 32730, 40965, 49095, 49158, 81930, 98190, 122895, 245790, 2979521, 5959042, 8938563, 14897605, 17877126, 26815689, 29795210, 44692815, 53631378, 89385630, 134078445, 268156890]

約数ペア:
[(1, 268156890), (2, 134078445), (3, 89385630), (5, 53631378), (6, 44692815), (9, 29795210), (10, 26815689), (15, 17877126), (18, 14897605), (30, 8938563), (45, 5959042), (90, 2979521), (1091, 245790), (2182, 122895), (2731, 98190), (3273, 81930), (5455, 49158), (5462, 49095), (6546, 40965), (8193, 32730), (9819, 27310), (10910, 24579), (13655, 19638), (16365, 16386)]

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