About the Number

261001056

261001055 ← → 261001057

2進数表記:1111100011101000111101100000

漢数字表記:二億六千百万千五十六

素因数分解:

2 5 × 3 1 × 23 1 × 43 1 × 2749 1

素因数の和:2828
約数の個数: 96
約数和(自身を含む): 731808000
約数和(自身を除く): 470806944

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 43, 46, 48, 69, 86, 92, 96, 129, 138, 172, 184, 258, 276, 344, 368, 516, 552, 688, 736, 989, 1032, 1104, 1376, 1978, 2064, 2208, 2749, 2967, 3956, 4128, 5498, 5934, 7912, 8247, 10996, 11868, 15824, 16494, 21992, 23736, 31648, 32988, 43984, 47472, 63227, 65976, 87968, 94944, 118207, 126454, 131952, 189681, 236414, 252908, 263904, 354621, 379362, 472828, 505816, 709242, 758724, 945656, 1011632, 1418484, 1517448, 1891312, 2023264, 2718761, 2836968, 3034896, 3782624, 5437522, 5673936, 6069792, 8156283, 10875044, 11347872, 16312566, 21750088, 32625132, 43500176, 65250264, 87000352, 130500528, 261001056]

約数ペア:
[(1, 261001056), (2, 130500528), (3, 87000352), (4, 65250264), (6, 43500176), (8, 32625132), (12, 21750088), (16, 16312566), (23, 11347872), (24, 10875044), (32, 8156283), (43, 6069792), (46, 5673936), (48, 5437522), (69, 3782624), (86, 3034896), (92, 2836968), (96, 2718761), (129, 2023264), (138, 1891312), (172, 1517448), (184, 1418484), (258, 1011632), (276, 945656), (344, 758724), (368, 709242), (516, 505816), (552, 472828), (688, 379362), (736, 354621), (989, 263904), (1032, 252908), (1104, 236414), (1376, 189681), (1978, 131952), (2064, 126454), (2208, 118207), (2749, 94944), (2967, 87968), (3956, 65976), (4128, 63227), (5498, 47472), (5934, 43984), (7912, 32988), (8247, 31648), (10996, 23736), (11868, 21992), (15824, 16494)]

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